82572136930 has 16 divisors (see below), whose sum is σ = 155092014144. Its totient is φ = 31592817520.

The previous prime is 82572136883. The next prime is 82572136939. The reversal of 82572136930 is 3963127528.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (82572136939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179504416 + ... + 179504875.

It is an arithmetic number, because the mean of its divisors is an integer number (9693250884).

Almost surely, 2^82572136930 is an apocalyptic number.

82572136930 is a deficient number, since it is larger than the sum of its proper divisors (72519877214).

82572136930 is a wasteful number, since it uses less digits than its factorization.

82572136930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359009321.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 82572136930 in words is "eighty-two billion, five hundred seventy-two million, one hundred thirty-six thousand, nine hundred thirty".