77000000088 has 32 divisors (see below), whose sum is σ = 210000000960. Its totient is φ = 23333333280.

The previous prime is 77000000087. The next prime is 77000000113. The reversal of 77000000088 is 88000000077.

It is a happy number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77000000081) 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, 145833070 + ... + 145833597.

It is an arithmetic number, because the mean of its divisors is an integer number (6562500030).

Almost surely, 2^77000000088 is an apocalyptic number.

It is an amenable number.

77000000088 is an abundant number, since it is smaller than the sum of its proper divisors (133000000872).

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

77000000088 is a wasteful number, since it uses less digits than its factorization.

77000000088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291666687 (or 291666683 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 30.

The spelling of 77000000088 in words is "seventy-seven billion, eighty-eight", and thus it is an aban number and an uban number.