93817899644 has 12 divisors (see below), whose sum is σ = 187635799344. Its totient is φ = 40207671264.

The previous prime is 93817899589. The next prime is 93817899683. The reversal of 93817899644 is 44699871839.

93817899644 is an admirable number.

It is a super-2 number, since 2×93817899644² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675319609 + ... + 1675319664.

It is an arithmetic number, because the mean of its divisors is an integer number (15636316612).

Almost surely, 2^93817899644 is an apocalyptic number.

It is an amenable number.

93817899644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

93817899644 is a wasteful number, since it uses less digits than its factorization.

93817899644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350639284 (or 3350639282 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 68.

The spelling of 93817899644 in words is "ninety-three billion, eight hundred seventeen million, eight hundred ninety-nine thousand, six hundred forty-four".