74847587982 has 32 divisors (see below), whose sum is σ = 154664570880. Its totient is φ = 24122427360.

The previous prime is 74847587911. The next prime is 74847587987. The reversal of 74847587982 is 28978574847.

It is a super-2 number, since 2×74847587982² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74847587987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22744 + ... + 387572.

It is an arithmetic number, because the mean of its divisors is an integer number (4833267840).

Almost surely, 2^74847587982 is an apocalyptic number.

74847587982 is an abundant number, since it is smaller than the sum of its proper divisors (79816982898).

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

74847587982 is a wasteful number, since it uses less digits than its factorization.

74847587982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365968.

The product of its digits is 252887040, while the sum is 69.

The spelling of 74847587982 in words is "seventy-four billion, eight hundred forty-seven million, five hundred eighty-seven thousand, nine hundred eighty-two".