88909457 has 16 divisors (see below), whose sum is σ = 112960512. Its totient is φ = 68074560.

The previous prime is 88909441. The next prime is 88909459. The reversal of 88909457 is 75490988.

It is a cyclic number.

It is not a de Polignac number, because 88909457 - 2⁴ = 88909441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88909459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12938 + ... + 18579.

It is an arithmetic number, because the mean of its divisors is an integer number (7060032).

Almost surely, 2^88909457 is an apocalyptic number.

It is an amenable number.

88909457 is a deficient number, since it is larger than the sum of its proper divisors (24051055).

88909457 is a wasteful number, since it uses less digits than its factorization.

88909457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31568.

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

The square root of 88909457 is about 9429.1811415414. The cubic root of 88909457 is about 446.3230531617.

The spelling of 88909457 in words is "eighty-eight million, nine hundred nine thousand, four hundred fifty-seven".