88957891 has 4 divisors (see below), whose sum is σ = 97044984. Its totient is φ = 80870800.

The previous prime is 88957853. The next prime is 88957919. The reversal of 88957891 is 19875988.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 88957891 - 2¹¹ = 88955843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88957801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4043530 + ... + 4043551.

It is an arithmetic number, because the mean of its divisors is an integer number (24261246).

Almost surely, 2^88957891 is an apocalyptic number.

88957891 is a deficient number, since it is larger than the sum of its proper divisors (8087093).

88957891 is a wasteful number, since it uses less digits than its factorization.

88957891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8087092.

The product of its digits is 1451520, while the sum is 55.

The square root of 88957891 is about 9431.7490954753. The cubic root of 88957891 is about 446.4040842365.

The spelling of 88957891 in words is "eighty-eight million, nine hundred fifty-seven thousand, eight hundred ninety-one".