7885500 has 96 divisors (see below), whose sum is σ = 26277888. Its totient is φ = 1800000.

The previous prime is 7885483. The next prime is 7885511. The reversal of 7885500 is 55887.

7885500 is digitally balanced in base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×7885500² = 124362220500000, which contains 22 as substring.

7885500 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10125 + ... + 10875.

It is an arithmetic number, because the mean of its divisors is an integer number (273728).

Almost surely, 2^7885500 is an apocalyptic number.

7885500 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7885500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13138944).

7885500 is an abundant number, since it is smaller than the sum of its proper divisors (18392388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7885500 is a wasteful number, since it uses less digits than its factorization.

7885500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 7885500 is about 2808.1132455797. The cubic root of 7885500 is about 199.0412446181.

It can be divided in two parts, 7885 and 500, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 7885500 in words is "seven million, eight hundred eighty-five thousand, five hundred".