88787969 has 4 divisors (see below), whose sum is σ = 93461040. Its totient is φ = 84114900.

The previous prime is 88787953. The next prime is 88787983. The reversal of 88787969 is 96978788.

88787969 is nontrivially palindromic in base 14.

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 not a de Polignac number, because 88787969 - 2⁴ = 88787953 is a prime.

It is a super-2 number, since 2×88787969² = 15766606878289922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88787939) 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, 2336507 + ... + 2336544.

It is an arithmetic number, because the mean of its divisors is an integer number (23365260).

Almost surely, 2^88787969 is an apocalyptic number.

It is an amenable number.

88787969 is a deficient number, since it is larger than the sum of its proper divisors (4673071).

88787969 is a wasteful number, since it uses less digits than its factorization.

88787969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4673070.

The product of its digits is 12192768, while the sum is 62.

The square root of 88787969 is about 9422.7368105026. The cubic root of 88787969 is about 446.1196716811.

The spelling of 88787969 in words is "eighty-eight million, seven hundred eighty-seven thousand, nine hundred sixty-nine".