618872892972 has 48 divisors (see below), whose sum is σ = 1445954762112. Its totient is φ = 206017136640.

The previous prime is 618872892971. The next prime is 618872892977. The reversal of 618872892972 is 279298278816.

It is a junction number, because it is equal to n+sod(n) for n = 618872892897 and 618872892906.

It is not an unprimeable number, because it can be changed into a prime (618872892971) 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 15 ways as a sum of consecutive naturals, for example, 34124347 + ... + 34142477.

It is an arithmetic number, because the mean of its divisors is an integer number (30124057544).

Almost surely, 2^618872892972 is an apocalyptic number.

It is an amenable number.

618872892972 is an abundant number, since it is smaller than the sum of its proper divisors (827081869140).

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

618872892972 is a wasteful number, since it uses less digits than its factorization.

618872892972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21758 (or 21756 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 69.

The spelling of 618872892972 in words is "six hundred eighteen billion, eight hundred seventy-two million, eight hundred ninety-two thousand, nine hundred seventy-two".