87782898 has 16 divisors (see below), whose sum is σ = 200646720. Its totient is φ = 25080816.

The previous prime is 87782897. The next prime is 87782953. The reversal of 87782898 is 89828778.

It is not an unprimeable number, because it can be changed into a prime (87782897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1044993 + ... + 1045076.

It is an arithmetic number, because the mean of its divisors is an integer number (12540420).

Almost surely, 2^87782898 is an apocalyptic number.

87782898 is an abundant number, since it is smaller than the sum of its proper divisors (112863822).

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

87782898 is a wasteful number, since it uses less digits than its factorization.

87782898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090081.

The product of its digits is 3612672, while the sum is 57.

The square root of 87782898 is about 9369.2527983826. The cubic root of 87782898 is about 444.4299361977.

The spelling of 87782898 in words is "eighty-seven million, seven hundred eighty-two thousand, eight hundred ninety-eight".