77396235008 has 36 divisors (see below), whose sum is σ = 161207115888. Its totient is φ = 37015587840.

The previous prime is 77396234989. The next prime is 77396235023. The reversal of 77396235008 is 80053269377.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6566483 + ... + 6578258.

Almost surely, 2^77396235008 is an apocalyptic number.

It is an amenable number.

77396235008 is an abundant number, since it is smaller than the sum of its proper divisors (83810880880).

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

77396235008 is a wasteful number, since it uses less digits than its factorization.

77396235008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13144780 (or 13144766 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 77396235008 in words is "seventy-seven billion, three hundred ninety-six million, two hundred thirty-five thousand, eight".