88431347 has 4 divisors (see below), whose sum is σ = 88504416. Its totient is φ = 88358280.

The previous prime is 88431323. The next prime is 88431359. The reversal of 88431347 is 74313488.

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 88431347 - 2¹⁰ = 88430323 is a prime.

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 88431347.

It is not an unprimeable number, because it can be changed into a prime (88431307) 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, 34688 + ... + 37149.

It is an arithmetic number, because the mean of its divisors is an integer number (22126104).

Almost surely, 2^88431347 is an apocalyptic number.

88431347 is a deficient number, since it is larger than the sum of its proper divisors (73069).

88431347 is a wasteful number, since it uses less digits than its factorization.

88431347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73068.

The product of its digits is 64512, while the sum is 38.

The square root of 88431347 is about 9403.7942874140. The cubic root of 88431347 is about 445.5215817442.

The spelling of 88431347 in words is "eighty-eight million, four hundred thirty-one thousand, three hundred forty-seven".