88989338640473 has 2 divisors, whose sum is σ = 88989338640474. Its totient is φ = 88989338640472.

The previous prime is 88989338640469. The next prime is 88989338640479. The reversal of 88989338640473 is 37404683398988.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88959662376649 + 29676263824 = 9431843^2 + 172268^2 .

It is a cyclic number.

It is not a de Polignac number, because 88989338640473 - 2² = 88989338640469 is a prime.

It is not a weakly prime, because it can be changed into another prime (88989338640479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44494669320236 + 44494669320237.

It is an arithmetic number, because the mean of its divisors is an integer number (44494669320237).

Almost surely, 2^{88989338640473} is an apocalyptic number.

It is an amenable number.

88989338640473 is a deficient number, since it is larger than the sum of its proper divisors (1).

88989338640473 is an equidigital number, since it uses as much as digits as its factorization.

88989338640473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6019743744, while the sum is 80.

The spelling of 88989338640473 in words is "eighty-eight trillion, nine hundred eighty-nine billion, three hundred thirty-eight million, six hundred forty thousand, four hundred seventy-three".