88947457 has 2 divisors, whose sum is σ = 88947458. Its totient is φ = 88947456.

The previous prime is 88947449. The next prime is 88947479. The reversal of 88947457 is 75474988.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46840336 + 42107121 = 6844^2 + 6489^2 .

It is a cyclic number.

It is not a de Polignac number, because 88947457 - 2³ = 88947449 is a prime.

It is not a weakly prime, because it can be changed into another prime (88947407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44473728 + 44473729.

It is an arithmetic number, because the mean of its divisors is an integer number (44473729).

Almost surely, 2^88947457 is an apocalyptic number.

It is an amenable number.

88947457 is a deficient number, since it is larger than the sum of its proper divisors (1).

88947457 is an equidigital number, since it uses as much as digits as its factorization.

88947457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2257920, while the sum is 52.

The square root of 88947457 is about 9431.1959474926. The cubic root of 88947457 is about 446.3866304266.

The spelling of 88947457 in words is "eighty-eight million, nine hundred forty-seven thousand, four hundred fifty-seven".