88149253621 has 64 divisors (see below), whose sum is σ = 111139257600. Its totient is φ = 68682608640.

The previous prime is 88149253609. The next prime is 88149253627. The reversal of 88149253621 is 12635294188.

It is a cyclic number.

It is not a de Polignac number, because 88149253621 - 2⁹ = 88149253109 is a prime.

It is a super-3 number, since 3×88149253621³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88149253627) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 59040951 + ... + 59042443.

It is an arithmetic number, because the mean of its divisors is an integer number (1736550900).

Almost surely, 2^88149253621 is an apocalyptic number.

It is an amenable number.

88149253621 is a deficient number, since it is larger than the sum of its proper divisors (22990003979).

88149253621 is a wasteful number, since it uses less digits than its factorization.

88149253621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846.

The product of its digits is 829440, while the sum is 49.

The spelling of 88149253621 in words is "eighty-eight billion, one hundred forty-nine million, two hundred fifty-three thousand, six hundred twenty-one".