77397051088 has 40 divisors (see below), whose sum is σ = 171623836800. Its totient is φ = 33122812800.

The previous prime is 77397051059. The next prime is 77397051097. The reversal of 77397051088 is 88015079377.

It is a happy number.

It is a congruent 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, 414388 + ... + 571411.

It is an arithmetic number, because the mean of its divisors is an integer number (4290595920).

Almost surely, 2^77397051088 is an apocalyptic number.

It is an amenable number.

77397051088 is an abundant number, since it is smaller than the sum of its proper divisors (94226785712).

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

77397051088 is a wasteful number, since it uses less digits than its factorization.

77397051088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986515 (or 986509 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 55.

The spelling of 77397051088 in words is "seventy-seven billion, three hundred ninety-seven million, fifty-one thousand, eighty-eight".