88722515 has 16 divisors (see below), whose sum is σ = 122758848. Its totient is φ = 60297216.

The previous prime is 88722509. The next prime is 88722547. The reversal of 88722515 is 51522788.

It is a happy number.

It is not a de Polignac number, because 88722515 - 2⁴ = 88722499 is a prime.

It is a Duffinian 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, 7262 + ... + 15171.

It is an arithmetic number, because the mean of its divisors is an integer number (7672428).

Almost surely, 2^88722515 is an apocalyptic number.

88722515 is a deficient number, since it is larger than the sum of its proper divisors (34036333).

88722515 is a wasteful number, since it uses less digits than its factorization.

88722515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22558.

The product of its digits is 44800, while the sum is 38.

The square root of 88722515 is about 9419.2629754137. The cubic root of 88722515 is about 446.0100190796.

The spelling of 88722515 in words is "eighty-eight million, seven hundred twenty-two thousand, five hundred fifteen".