84521591076 has 48 divisors (see below), whose sum is σ = 212406454400. Its totient is φ = 26004333312.

The previous prime is 84521591059. The next prime is 84521591081. The reversal of 84521591076 is 67019512548.

It is a happy 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, 2786520 + ... + 2816688.

Almost surely, 2^84521591076 is an apocalyptic number.

It is an amenable number.

84521591076 is an abundant number, since it is smaller than the sum of its proper divisors (127884863324).

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

84521591076 is a wasteful number, since it uses less digits than its factorization.

84521591076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48148 (or 48146 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 48.

The spelling of 84521591076 in words is "eighty-four billion, five hundred twenty-one million, five hundred ninety-one thousand, seventy-six".