83523407634 has 16 divisors (see below), whose sum is σ = 185607572640. Its totient is φ = 27841135860.

The previous prime is 83523407623. The next prime is 83523407657. The reversal of 83523407634 is 43670432538.

83523407634 is a `hidden beast` number, since 8 + 3 + 5 + 2 + 3 + 4 + 0 + 7 + 634 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 83523407634.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773364832 + ... + 773364939.

It is an arithmetic number, because the mean of its divisors is an integer number (11600473290).

Almost surely, 2^83523407634 is an apocalyptic number.

83523407634 is an abundant number, since it is smaller than the sum of its proper divisors (102084165006).

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

83523407634 is a wasteful number, since it uses less digits than its factorization.

83523407634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546729782 (or 1546729776 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The spelling of 83523407634 in words is "eighty-three billion, five hundred twenty-three million, four hundred seven thousand, six hundred thirty-four".