34687812816 has 80 divisors (see below), whose sum is σ = 99638414400. Its totient is φ = 11554296192.

The previous prime is 34687812799. The next prime is 34687812823. The reversal of 34687812816 is 61821878643.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588330 + ... + 644598.

It is an arithmetic number, because the mean of its divisors is an integer number (1245480180).

Almost surely, 2^34687812816 is an apocalyptic number.

34687812816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

34687812816 is an abundant number, since it is smaller than the sum of its proper divisors (64950601584).

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

34687812816 is a wasteful number, since it uses less digits than its factorization.

34687812816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57713 (or 57701 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The spelling of 34687812816 in words is "thirty-four billion, six hundred eighty-seven million, eight hundred twelve thousand, eight hundred sixteen".