93190906881 has 12 divisors (see below), whose sum is σ = 135577500240. Its totient is φ = 61680311640.

The previous prime is 93190906877. The next prime is 93190906937. The reversal of 93190906881 is 18860909139.

It is not a de Polignac number, because 93190906881 - 2² = 93190906877 is a prime.

It is a super-2 number, since 2×93190906881² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (93190906181) 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, 37245315 + ... + 37247816.

It is an arithmetic number, because the mean of its divisors is an integer number (11298125020).

Almost surely, 2^93190906881 is an apocalyptic number.

It is an amenable number.

93190906881 is a deficient number, since it is larger than the sum of its proper divisors (42386593359).

93190906881 is a wasteful number, since it uses less digits than its factorization.

93190906881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74493276 (or 74493273 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 54.

The spelling of 93190906881 in words is "ninety-three billion, one hundred ninety million, nine hundred six thousand, eight hundred eighty-one".