88663607431 has 4 divisors (see below), whose sum is σ = 101329837072. Its totient is φ = 75997377792.

The previous prime is 88663607429. The next prime is 88663607441. The reversal of 88663607431 is 13470636688.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 88663607431 - 2¹ = 88663607429 is a prime.

It is a super-2 number, since 2×88663607431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88663607441) 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, 6333114810 + ... + 6333114823.

It is an arithmetic number, because the mean of its divisors is an integer number (25332459268).

Almost surely, 2^88663607431 is an apocalyptic number.

88663607431 is a deficient number, since it is larger than the sum of its proper divisors (12666229641).

88663607431 is a wasteful number, since it uses less digits than its factorization.

88663607431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12666229640.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 88663607431 in words is "eighty-eight billion, six hundred sixty-three million, six hundred seven thousand, four hundred thirty-one".