88472281457 has 4 divisors (see below), whose sum is σ = 101111178816. Its totient is φ = 75833384100.

The previous prime is 88472281427. The next prime is 88472281493. The reversal of 88472281457 is 75418227488.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88472281457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88472281427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6319448669 + ... + 6319448682.

It is an arithmetic number, because the mean of its divisors is an integer number (25277794704).

Almost surely, 2^88472281457 is an apocalyptic number.

It is an amenable number.

88472281457 is a deficient number, since it is larger than the sum of its proper divisors (12638897359).

88472281457 is a wasteful number, since it uses less digits than its factorization.

88472281457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12638897358.

The product of its digits is 8028160, while the sum is 56.

The spelling of 88472281457 in words is "eighty-eight billion, four hundred seventy-two million, two hundred eighty-one thousand, four hundred fifty-seven".