80840524 has 6 divisors (see below), whose sum is σ = 141470924. Its totient is φ = 40420260.

The previous prime is 80840521. The next prime is 80840527. The reversal of 80840524 is 42504808.

It is an interprime number because it is at equal distance from previous prime (80840521) and next prime (80840527).

It is not an unprimeable number, because it can be changed into a prime (80840521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105062 + ... + 10105069.

Almost surely, 2^80840524 is an apocalyptic number.

It is an amenable number.

80840524 is a deficient number, since it is larger than the sum of its proper divisors (60630400).

80840524 is a wasteful number, since it uses less digits than its factorization.

80840524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20210135 (or 20210133 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 80840524 is about 8991.1358570539. The cubic root of 80840524 is about 432.3907287405.

The spelling of 80840524 in words is "eighty million, eight hundred forty thousand, five hundred twenty-four".