83100187172 has 24 divisors (see below), whose sum is σ = 145590016320. Its totient is φ = 41503073760.

The previous prime is 83100187171. The next prime is 83100187207. The reversal of 83100187172 is 27178100138.

It is a super-2 number, since 2×83100187172² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83100187171) 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, 23347529 + ... + 23351087.

It is an arithmetic number, because the mean of its divisors is an integer number (6066250680).

Almost surely, 2^83100187172 is an apocalyptic number.

It is an amenable number.

83100187172 is a deficient number, since it is larger than the sum of its proper divisors (62489829148).

83100187172 is a wasteful number, since it uses less digits than its factorization.

83100187172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8531 (or 8529 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 38.

The spelling of 83100187172 in words is "eighty-three billion, one hundred million, one hundred eighty-seven thousand, one hundred seventy-two".