88780440 has 64 divisors (see below), whose sum is σ = 304392960. Its totient is φ = 20292480.

The previous prime is 88780421. The next prime is 88780451. The reversal of 88780440 is 4408788.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52006 + ... + 53685.

It is an arithmetic number, because the mean of its divisors is an integer number (4756140).

Almost surely, 2^88780440 is an apocalyptic number.

It is an amenable number.

88780440 is an abundant number, since it is smaller than the sum of its proper divisors (215612520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88780440 is a wasteful number, since it uses less digits than its factorization.

88780440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105712 (or 105708 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 88780440 is about 9422.3372896538. The cubic root of 88780440 is about 446.1070613767.

The spelling of 88780440 in words is "eighty-eight million, seven hundred eighty thousand, four hundred forty".