88772805 has 72 divisors (see below), whose sum is σ = 173837664. Its totient is φ = 41558400.

The previous prime is 88772797. The next prime is 88772833. The reversal of 88772805 is 50827788.

It is a happy number.

It is not a de Polignac number, because 88772805 - 2³ = 88772797 is a prime.

It is a super-2 number, since 2×88772805² = 15761221815136050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 677590 + ... + 677720.

It is an arithmetic number, because the mean of its divisors is an integer number (2414412).

Almost surely, 2^88772805 is an apocalyptic number.

It is an amenable number.

88772805 is a deficient number, since it is larger than the sum of its proper divisors (85064859).

88772805 is a wasteful number, since it uses less digits than its factorization.

88772805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 45.

The square root of 88772805 is about 9421.9321266925. The cubic root of 88772805 is about 446.0942728051.

The spelling of 88772805 in words is "eighty-eight million, seven hundred seventy-two thousand, eight hundred five".