80479074987 has 24 divisors (see below), whose sum is σ = 121124436160. Its totient is φ = 53398404360.

The previous prime is 80479074979. The next prime is 80479075003. The reversal of 80479074987 is 78947097408.

It is a happy number.

80479074987 is a `hidden beast` number, since 8 + 0 + 479 + 0 + 74 + 98 + 7 = 666.

It is not a de Polignac number, because 80479074987 - 2³ = 80479074979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80479074967) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 733537 + ... + 836082.

Almost surely, 2^80479074987 is an apocalyptic number.

80479074987 is a deficient number, since it is larger than the sum of its proper divisors (40645361173).

80479074987 is a wasteful number, since it uses less digits than its factorization.

80479074987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569845 (or 1569833 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 63.

The spelling of 80479074987 in words is "eighty billion, four hundred seventy-nine million, seventy-four thousand, nine hundred eighty-seven".