88731447431 has 8 divisors (see below), whose sum is σ = 96941781264. Its totient is φ = 80545086720.

The previous prime is 88731447421. The next prime is 88731447433. The reversal of 88731447431 is 13474413788.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88731447431 is a prime.

It is a super-2 number, since 2×88731447431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88731447431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88731447433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5985536 + ... + 6000341.

It is an arithmetic number, because the mean of its divisors is an integer number (12117722658).

Almost surely, 2^88731447431 is an apocalyptic number.

88731447431 is a deficient number, since it is larger than the sum of its proper divisors (8210333833).

88731447431 is a wasteful number, since it uses less digits than its factorization.

88731447431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11986561.

The product of its digits is 1806336, while the sum is 50.

The spelling of 88731447431 in words is "eighty-eight billion, seven hundred thirty-one million, four hundred forty-seven thousand, four hundred thirty-one".