88921603 has 4 divisors (see below), whose sum is σ = 90813600. Its totient is φ = 87029608.

The previous prime is 88921597. The next prime is 88921639. The reversal of 88921603 is 30612988.

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 88921603 - 2²⁵ = 55367171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88921643) 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, 945928 + ... + 946021.

It is an arithmetic number, because the mean of its divisors is an integer number (22703400).

Almost surely, 2^88921603 is an apocalyptic number.

88921603 is a deficient number, since it is larger than the sum of its proper divisors (1891997).

88921603 is a wasteful number, since it uses less digits than its factorization.

88921603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891996.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 88921603 is about 9429.8251839575. The cubic root of 88921603 is about 446.3433764327.

The spelling of 88921603 in words is "eighty-eight million, nine hundred twenty-one thousand, six hundred three".