37818533979 has 12 divisors (see below), whose sum is σ = 56388925632. Its totient is φ = 24399054000.

The previous prime is 37818533939. The next prime is 37818534011. The reversal of 37818533979 is 97933581873.

37818533979 is a `hidden beast` number, since 3 + 7 + 8 + 1 + 8 + 533 + 97 + 9 = 666.

It is not a de Polignac number, because 37818533979 - 2¹⁵ = 37818501211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (37818533939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67774872 + ... + 67775429.

It is an arithmetic number, because the mean of its divisors is an integer number (4699077136).

Almost surely, 2^37818533979 is an apocalyptic number.

37818533979 is a deficient number, since it is larger than the sum of its proper divisors (18570391653).

37818533979 is a wasteful number, since it uses less digits than its factorization.

37818533979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135550338 (or 135550335 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 63.

It can be divided in two parts, 378185 and 33979, that added together give a square (412164 = 642²).

The spelling of 37818533979 in words is "thirty-seven billion, eight hundred eighteen million, five hundred thirty-three thousand, nine hundred seventy-nine".