88155816 has 64 divisors (see below), whose sum is σ = 260014080. Its totient is φ = 24373440.

The previous prime is 88155811. The next prime is 88155817. The reversal of 88155816 is 61855188.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (88155811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3256 + ... + 13671.

It is an arithmetic number, because the mean of its divisors is an integer number (4062720).

Almost surely, 2^88155816 is an apocalyptic number.

It is an amenable number.

88155816 is an abundant number, since it is smaller than the sum of its proper divisors (171858264).

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

88155816 is a wasteful number, since it uses less digits than its factorization.

88155816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16974 (or 16970 counting only the distinct ones).

The product of its digits is 76800, while the sum is 42.

The square root of 88155816 is about 9389.1328673100. The cubic root of 88155816 is about 445.0583873226.

The spelling of 88155816 in words is "eighty-eight million, one hundred fifty-five thousand, eight hundred sixteen".