77401080385104 has 40 divisors (see below), whose sum is σ = 228517475423680. Its totient is φ = 22114594395648.

The previous prime is 77401080385103. The next prime is 77401080385147. The reversal of 77401080385104 is 40158308010477.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77401080385103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115180178809 + ... + 115180179480.

It is an arithmetic number, because the mean of its divisors is an integer number (5712936885592).

Almost surely, 2^{77401080385104} is an apocalyptic number.

It is an amenable number.

77401080385104 is an abundant number, since it is smaller than the sum of its proper divisors (151116395038576).

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

77401080385104 is a wasteful number, since it uses less digits than its factorization.

77401080385104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230360358307 (or 230360358301 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 77401080385104 in words is "seventy-seven trillion, four hundred one billion, eighty million, three hundred eighty-five thousand, one hundred four".