88990457 has 2 divisors, whose sum is σ = 88990458. Its totient is φ = 88990456.

The previous prime is 88990409. The next prime is 88990469. The reversal of 88990457 is 75409988.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71842576 + 17147881 = 8476^2 + 4141^2 .

It is a cyclic number.

It is not a de Polignac number, because 88990457 - 2¹² = 88986361 is a prime.

It is not a weakly prime, because it can be changed into another prime (88992457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44495228 + 44495229.

It is an arithmetic number, because the mean of its divisors is an integer number (44495229).

Almost surely, 2^88990457 is an apocalyptic number.

It is an amenable number.

88990457 is a deficient number, since it is larger than the sum of its proper divisors (1).

88990457 is an equidigital number, since it uses as much as digits as its factorization.

88990457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 88990457 is about 9433.4753405095. The cubic root of 88990457 is about 446.4585512868.

The spelling of 88990457 in words is "eighty-eight million, nine hundred ninety thousand, four hundred fifty-seven".