77472737620075 has 24 divisors (see below), whose sum is σ = 114563412258048. Its totient is φ = 50814416722080.

The previous prime is 77472737620009. The next prime is 77472737620127. The reversal of 77472737620075 is 57002673727477.

It is not a de Polignac number, because 77472737620075 - 2¹¹ = 77472737618027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77472737619989 and 77472737620016.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9623938537 + ... + 9623946586.

It is an arithmetic number, because the mean of its divisors is an integer number (4773475510752).

Almost surely, 2^{77472737620075} is an apocalyptic number.

77472737620075 is a deficient number, since it is larger than the sum of its proper divisors (37090674637973).

77472737620075 is a wasteful number, since it uses less digits than its factorization.

77472737620075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19247885163 (or 19247885158 counting only the distinct ones).

The product of its (nonzero) digits is 169414560, while the sum is 64.

The spelling of 77472737620075 in words is "seventy-seven trillion, four hundred seventy-two billion, seven hundred thirty-seven million, six hundred twenty thousand, seventy-five".