83400256811634 has 64 divisors (see below), whose sum is σ = 191894959183872. Its totient is φ = 23670425232000.

The previous prime is 83400256811623. The next prime is 83400256811659. The reversal of 83400256811634 is 43611865200438.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 674987049 + ... + 675110595.

It is an arithmetic number, because the mean of its divisors is an integer number (2998358737248).

Almost surely, 2^{83400256811634} is an apocalyptic number.

83400256811634 is an abundant number, since it is smaller than the sum of its proper divisors (108494702372238).

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

83400256811634 is a wasteful number, since it uses less digits than its factorization.

83400256811634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230151.

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 83400256811634 in words is "eighty-three trillion, four hundred billion, two hundred fifty-six million, eight hundred eleven thousand, six hundred thirty-four".