88724988121 has 32 divisors (see below), whose sum is σ = 118124052480. Its totient is φ = 64598990400.

The previous prime is 88724988101. The next prime is 88724988197. The reversal of 88724988121 is 12188942788.

It is not a de Polignac number, because 88724988121 - 2⁹ = 88724987609 is a prime.

It is a super-2 number, since 2×88724988121² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88724988101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 571641 + ... + 710086.

It is an arithmetic number, because the mean of its divisors is an integer number (3691376640).

Almost surely, 2^88724988121 is an apocalyptic number.

It is an amenable number.

88724988121 is a deficient number, since it is larger than the sum of its proper divisors (29399064359).

88724988121 is a wasteful number, since it uses less digits than its factorization.

88724988121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281805.

The product of its digits is 4128768, while the sum is 58.

The spelling of 88724988121 in words is "eighty-eight billion, seven hundred twenty-four million, nine hundred eighty-eight thousand, one hundred twenty-one".