84690372475 has 12 divisors (see below), whose sum is σ = 110543223640. Its totient is φ = 64186387200.

The previous prime is 84690372467. The next prime is 84690372479. The reversal of 84690372475 is 57427309648.

It is not a de Polignac number, because 84690372475 - 2³ = 84690372467 is a prime.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (84690372479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89147286 + ... + 89148235.

Almost surely, 2^84690372475 is an apocalyptic number.

84690372475 is a deficient number, since it is larger than the sum of its proper divisors (25852851165).

84690372475 is a wasteful number, since it uses less digits than its factorization.

84690372475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178295550 (or 178295545 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 84690372475 in words is "eighty-four billion, six hundred ninety million, three hundred seventy-two thousand, four hundred seventy-five".