93865582893881 has 2 divisors, whose sum is σ = 93865582893882. Its totient is φ = 93865582893880.

The previous prime is 93865582893857. The next prime is 93865582893941. The reversal of 93865582893881 is 18839828556839.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49660490880400 + 44205092013481 = 7047020^2 + 6648691^2 .

It is a cyclic number.

It is not a de Polignac number, because 93865582893881 - 2⁴⁶ = 23496838716217 is a prime.

It is a super-2 number, since 2×93865582893881² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 93865582893881.

It is not a weakly prime, because it can be changed into another prime (93865582890881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46932791446940 + 46932791446941.

It is an arithmetic number, because the mean of its divisors is an integer number (46932791446941).

Almost surely, 2^{93865582893881} is an apocalyptic number.

It is an amenable number.

93865582893881 is a deficient number, since it is larger than the sum of its proper divisors (1).

93865582893881 is an equidigital number, since it uses as much as digits as its factorization.

93865582893881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7166361600, while the sum is 83.

The spelling of 93865582893881 in words is "ninety-three trillion, eight hundred sixty-five billion, five hundred eighty-two million, eight hundred ninety-three thousand, eight hundred eighty-one".