74847587983 has 32 divisors (see below), whose sum is σ = 88306504704. Its totient is φ = 62108266752.

The previous prime is 74847587911. The next prime is 74847587987. The reversal of 74847587983 is 38978574847.

It is a de Polignac number, because none of the positive numbers 2^k-74847587983 is a prime.

It is a super-2 number, since 2×74847587983² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39875241 + ... + 39877117.

It is an arithmetic number, because the mean of its divisors is an integer number (2759578272).

Almost surely, 2^74847587983 is an apocalyptic number.

74847587983 is a deficient number, since it is larger than the sum of its proper divisors (13458916721).

74847587983 is a wasteful number, since it uses less digits than its factorization.

74847587983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031.

The product of its digits is 379330560, while the sum is 70.

The spelling of 74847587983 in words is "seventy-four billion, eight hundred forty-seven million, five hundred eighty-seven thousand, nine hundred eighty-three".