88491849531 has 4 divisors (see below), whose sum is σ = 117989132712. Its totient is φ = 58994566352.

The previous prime is 88491849493. The next prime is 88491849547. The reversal of 88491849531 is 13594819488.

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

It is a cyclic number.

It is not a de Polignac number, because 88491849531 - 2⁷ = 88491849403 is a prime.

It is a super-2 number, since 2×88491849531² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88491849931) 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, 14748641586 + ... + 14748641591.

It is an arithmetic number, because the mean of its divisors is an integer number (29497283178).

Almost surely, 2^88491849531 is an apocalyptic number.

88491849531 is a deficient number, since it is larger than the sum of its proper divisors (29497283181).

88491849531 is a wasteful number, since it uses less digits than its factorization.

88491849531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29497283180.

The product of its digits is 9953280, while the sum is 60.

The spelling of 88491849531 in words is "eighty-eight billion, four hundred ninety-one million, eight hundred forty-nine thousand, five hundred thirty-one".