85622668498 has 4 divisors (see below), whose sum is σ = 128434002750. Its totient is φ = 42811334248.

The previous prime is 85622668489. The next prime is 85622668543. The reversal of 85622668498 is 89486622658.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 84830640049 + 792028449 = 291257^2 + 28143^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21405667123 + ... + 21405667126.

Almost surely, 2^85622668498 is an apocalyptic number.

85622668498 is a deficient number, since it is larger than the sum of its proper divisors (42811334252).

85622668498 is a wasteful number, since it uses less digits than its factorization.

85622668498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42811334251.

The product of its digits is 79626240, while the sum is 64.

The spelling of 85622668498 in words is "eighty-five billion, six hundred twenty-two million, six hundred sixty-eight thousand, four hundred ninety-eight".