77476009960 has 32 divisors (see below), whose sum is σ = 175233715200. Its totient is φ = 30828147520.

The previous prime is 77476009943. The next prime is 77476009981. The reversal of 77476009960 is 6990067477.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5062780 + ... + 5078059.

It is an arithmetic number, because the mean of its divisors is an integer number (5476053600).

Almost surely, 2^77476009960 is an apocalyptic number.

It is an amenable number.

77476009960 is an abundant number, since it is smaller than the sum of its proper divisors (97757705240).

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

77476009960 is a wasteful number, since it uses less digits than its factorization.

77476009960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10141041 (or 10141037 counting only the distinct ones).

The product of its (nonzero) digits is 4000752, while the sum is 55.

The spelling of 77476009960 in words is "seventy-seven billion, four hundred seventy-six million, nine thousand, nine hundred sixty".