88520331 has 4 divisors (see below), whose sum is σ = 118027112. Its totient is φ = 59013552.

The previous prime is 88520321. The next prime is 88520347. The reversal of 88520331 is 13302588.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 88520331 - 2⁹ = 88519819 is a prime.

It is a super-2 number, since 2×88520331² = 15671698000699122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88520321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14753386 + ... + 14753391.

It is an arithmetic number, because the mean of its divisors is an integer number (29506778).

Almost surely, 2^88520331 is an apocalyptic number.

88520331 is a deficient number, since it is larger than the sum of its proper divisors (29506781).

88520331 is a wasteful number, since it uses less digits than its factorization.

88520331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29506780.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 88520331 is about 9408.5243795188. The cubic root of 88520331 is about 445.6709669409.

The spelling of 88520331 in words is "eighty-eight million, five hundred twenty thousand, three hundred thirty-one".