80742876 has 24 divisors (see below), whose sum is σ = 189759360. Its totient is φ = 26720112.

The previous prime is 80742859. The next prime is 80742943. The reversal of 80742876 is 67824708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22536 + ... + 25871.

It is an arithmetic number, because the mean of its divisors is an integer number (7906640).

Almost surely, 2^80742876 is an apocalyptic number.

It is an amenable number.

80742876 is an abundant number, since it is smaller than the sum of its proper divisors (109016484).

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

80742876 is a wasteful number, since it uses less digits than its factorization.

80742876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48553 (or 48551 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 80742876 is about 8985.7039790992. The cubic root of 80742876 is about 432.2165623721.

It can be divided in two parts, 80742 and 876, that added together give a palindrome (81618).

The spelling of 80742876 in words is "eighty million, seven hundred forty-two thousand, eight hundred seventy-six".