93420251172 has 36 divisors (see below), whose sum is σ = 237159156780. Its totient is φ = 31006432512.

The previous prime is 93420251153. The next prime is 93420251191. The reversal of 93420251172 is 27115202439.

It is an interprime number because it is at equal distance from previous prime (93420251153) and next prime (93420251191).

It can be written as a sum of positive squares in 2 ways, for example, as 6503777316 + 86916473856 = 80646^2 + 294816^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5560297 + ... + 5577072.

It is an arithmetic number, because the mean of its divisors is an integer number (6587754355).

Almost surely, 2^93420251172 is an apocalyptic number.

It is an amenable number.

93420251172 is an abundant number, since it is smaller than the sum of its proper divisors (143738905608).

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

93420251172 is a wasteful number, since it uses less digits than its factorization.

93420251172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11137612 (or 11137607 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 93420251172 in words is "ninety-three billion, four hundred twenty million, two hundred fifty-one thousand, one hundred seventy-two".