88424381631 has 16 divisors (see below), whose sum is σ = 119009848320. Its totient is φ = 58394515680.

The previous prime is 88424381629. The next prime is 88424381651. The reversal of 88424381631 is 13618342488.

It is not a de Polignac number, because 88424381631 - 2¹ = 88424381629 is a prime.

It is a super-2 number, since 2×88424381631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88424381651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1405066 + ... + 1466648.

It is an arithmetic number, because the mean of its divisors is an integer number (7438115520).

Almost surely, 2^88424381631 is an apocalyptic number.

88424381631 is a deficient number, since it is larger than the sum of its proper divisors (30585466689).

88424381631 is a wasteful number, since it uses less digits than its factorization.

88424381631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66086.

The product of its digits is 884736, while the sum is 48.

The spelling of 88424381631 in words is "eighty-eight billion, four hundred twenty-four million, three hundred eighty-one thousand, six hundred thirty-one".