88772993 has 4 divisors (see below), whose sum is σ = 90277680. Its totient is φ = 87268308.

The previous prime is 88772987. The next prime is 88773001. The reversal of 88772993 is 39927788.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88772993 - 2⁴ = 88772977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88772293) 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, 752255 + ... + 752372.

It is an arithmetic number, because the mean of its divisors is an integer number (22569420).

Almost surely, 2^88772993 is an apocalyptic number.

It is an amenable number.

88772993 is a deficient number, since it is larger than the sum of its proper divisors (1504687).

88772993 is a wasteful number, since it uses less digits than its factorization.

88772993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504686.

The product of its digits is 1524096, while the sum is 53.

The square root of 88772993 is about 9421.9421034095. The cubic root of 88772993 is about 446.0945877125.

The spelling of 88772993 in words is "eighty-eight million, seven hundred seventy-two thousand, nine hundred ninety-three".