93891286988 has 6 divisors (see below), whose sum is σ = 164309752236. Its totient is φ = 46945643492.

The previous prime is 93891286981. The next prime is 93891286997. The reversal of 93891286988 is 88968219839.

It is a super-2 number, since 2×93891286988² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (93891286981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11736410870 + ... + 11736410877.

It is an arithmetic number, because the mean of its divisors is an integer number (27384958706).

Almost surely, 2^93891286988 is an apocalyptic number.

It is an amenable number.

93891286988 is a deficient number, since it is larger than the sum of its proper divisors (70418465248).

93891286988 is a wasteful number, since it uses less digits than its factorization.

93891286988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23472821751 (or 23472821749 counting only the distinct ones).

The product of its digits is 107495424, while the sum is 71.

The spelling of 93891286988 in words is "ninety-three billion, eight hundred ninety-one million, two hundred eighty-six thousand, nine hundred eighty-eight".