88791515 has 8 divisors (see below), whose sum is σ = 106659168. Its totient is φ = 70960320.

The previous prime is 88791511. The next prime is 88791551. The reversal of 88791515 is 51519788.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 88791515 - 2² = 88791511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88791511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3431 + ... + 13760.

It is an arithmetic number, because the mean of its divisors is an integer number (13332396).

Almost surely, 2^88791515 is an apocalyptic number.

88791515 is a deficient number, since it is larger than the sum of its proper divisors (17867653).

88791515 is a wasteful number, since it uses less digits than its factorization.

88791515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18229.

The product of its digits is 100800, while the sum is 44.

The square root of 88791515 is about 9422.9249705174. The cubic root of 88791515 is about 446.1256106213.

The spelling of 88791515 in words is "eighty-eight million, seven hundred ninety-one thousand, five hundred fifteen".