84751992 has 48 divisors (see below), whose sum is σ = 247196040. Its totient is φ = 26077248.

The previous prime is 84751973. The next prime is 84751993. The reversal of 84751992 is 29915748.

84751992 is a `hidden beast` number, since 8 + 47 + 519 + 92 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84751993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44338 + ... + 46209.

Almost surely, 2^84751992 is an apocalyptic number.

It is an amenable number.

84751992 is an abundant number, since it is smaller than the sum of its proper divisors (162444048).

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

84751992 is a wasteful number, since it uses less digits than its factorization.

84751992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90572 (or 90565 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 84751992 is about 9206.0845097142. The cubic root of 84751992 is about 439.2549236060.

The spelling of 84751992 in words is "eighty-four million, seven hundred fifty-one thousand, nine hundred ninety-two".