88891539 has 24 divisors (see below), whose sum is σ = 133649856. Its totient is φ = 52117200.

The previous prime is 88891531. The next prime is 88891541. The reversal of 88891539 is 93519888.

It is not a de Polignac number, because 88891539 - 2³ = 88891531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 88891491 and 88891500.

It is not an unprimeable number, because it can be changed into a prime (88891531) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 30312 + ... + 33114.

It is an arithmetic number, because the mean of its divisors is an integer number (5568744).

Almost surely, 2^88891539 is an apocalyptic number.

88891539 is a deficient number, since it is larger than the sum of its proper divisors (44758317).

88891539 is a wasteful number, since it uses less digits than its factorization.

88891539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879 (or 2848 counting only the distinct ones).

The product of its digits is 622080, while the sum is 51.

The square root of 88891539 is about 9428.2309581384. The cubic root of 88891539 is about 446.2930685233.

The spelling of 88891539 in words is "eighty-eight million, eight hundred ninety-one thousand, five hundred thirty-nine".