88720916 has 6 divisors (see below), whose sum is σ = 155261610. Its totient is φ = 44360456.

The previous prime is 88720903. The next prime is 88720927. The reversal of 88720916 is 61902788.

It can be written as a sum of positive squares in only one way, i.e., 79744900 + 8976016 = 8930^2 + 2996^2 .

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 as a sum of consecutive naturals, namely, 11090111 + ... + 11090118.

It is an arithmetic number, because the mean of its divisors is an integer number (25876935).

Almost surely, 2^88720916 is an apocalyptic number.

It is an amenable number.

88720916 is a deficient number, since it is larger than the sum of its proper divisors (66540694).

88720916 is a wasteful number, since it uses less digits than its factorization.

88720916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22180233 (or 22180231 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 88720916 is about 9419.1780957788. The cubic root of 88720916 is about 446.0073396608.

The spelling of 88720916 in words is "eighty-eight million, seven hundred twenty thousand, nine hundred sixteen".