77154391088 has 10 divisors (see below), whose sum is σ = 149486632764. Its totient is φ = 38577195536.

The previous prime is 77154391079. The next prime is 77154391103. The reversal of 77154391088 is 88019345177.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2411074706 + ... + 2411074737.

Almost surely, 2^77154391088 is an apocalyptic number.

It is an amenable number.

77154391088 is a deficient number, since it is larger than the sum of its proper divisors (72332241676).

77154391088 is a wasteful number, since it uses less digits than its factorization.

77154391088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4822149451 (or 4822149445 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 53.

The spelling of 77154391088 in words is "seventy-seven billion, one hundred fifty-four million, three hundred ninety-one thousand, eighty-eight".