88618720 has 24 divisors (see below), whose sum is σ = 209362104. Its totient is φ = 35447424.

The previous prime is 88618711. The next prime is 88618723. The reversal of 88618720 is 2781688.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88618723) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 276774 + ... + 277093.

It is an arithmetic number, because the mean of its divisors is an integer number (8723421).

Almost surely, 2^88618720 is an apocalyptic number.

88618720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

88618720 is an abundant number, since it is smaller than the sum of its proper divisors (120743384).

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

88618720 is a wasteful number, since it uses less digits than its factorization.

88618720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553882 (or 553874 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 88618720 is about 9413.7516432079. The cubic root of 88618720 is about 445.8360246341.

It can be divided in two parts, 886 and 18720, that multiplied together give a triangular number (16585920 = T₅₇₅₉).

The spelling of 88618720 in words is "eighty-eight million, six hundred eighteen thousand, seven hundred twenty".