88091892 has 72 divisors (see below), whose sum is σ = 269470656. Its totient is φ = 23687424.

The previous prime is 88091891. The next prime is 88091951. The reversal of 88091892 is 29819088.

It is a super-2 number, since 2×88091892² = 15520362872279328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88091891) 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, 5998 + ... + 14565.

It is an arithmetic number, because the mean of its divisors is an integer number (3742648).

Almost surely, 2^88091892 is an apocalyptic number.

It is an amenable number.

88091892 is an abundant number, since it is smaller than the sum of its proper divisors (181378764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88091892 is a wasteful number, since it uses less digits than its factorization.

88091892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20597 (or 20592 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The square root of 88091892 is about 9385.7281017511. The cubic root of 88091892 is about 444.9507869660.

It can be divided in two parts, 8809 and 1892, that added together give a palindrome (10701).

The spelling of 88091892 in words is "eighty-eight million, ninety-one thousand, eight hundred ninety-two".