77802738336004 has 24 divisors (see below), whose sum is σ = 148562956579968. Its totient is φ = 35357629604640.

The previous prime is 77802738335981. The next prime is 77802738336019. The reversal of 77802738336004 is 40063383720877.

It is a self number, because there is not a number n which added to its sum of digits gives 77802738336004.

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, 181069404 + ... + 181498579.

It is an arithmetic number, because the mean of its divisors is an integer number (6190123190832).

Almost surely, 2^{77802738336004} is an apocalyptic number.

It is an amenable number.

77802738336004 is a deficient number, since it is larger than the sum of its proper divisors (70760218243964).

77802738336004 is a wasteful number, since it uses less digits than its factorization.

77802738336004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362572875 (or 362572873 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 58.

The spelling of 77802738336004 in words is "seventy-seven trillion, eight hundred two billion, seven hundred thirty-eight million, three hundred thirty-six thousand, four".