93732288086557 has 2 divisors, whose sum is σ = 93732288086558. Its totient is φ = 93732288086556.

The previous prime is 93732288086533. The next prime is 93732288086629. The reversal of 93732288086557 is 75568088223739.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57446531263801 + 36285756822756 = 7579349^2 + 6023766^2 .

It is a cyclic number.

It is not a de Polignac number, because 93732288086557 - 2²³ = 93732279697949 is a prime.

It is a super-2 number, since 2×93732288086557² (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 93732288086557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93732288056557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46866144043278 + 46866144043279.

It is an arithmetic number, because the mean of its divisors is an integer number (46866144043279).

Almost surely, 2^{93732288086557} is an apocalyptic number.

It is an amenable number.

93732288086557 is a deficient number, since it is larger than the sum of its proper divisors (1).

93732288086557 is an equidigital number, since it uses as much as digits as its factorization.

93732288086557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1219276800, while the sum is 73.

The spelling of 93732288086557 in words is "ninety-three trillion, seven hundred thirty-two billion, two hundred eighty-eight million, eighty-six thousand, five hundred fifty-seven".