88638793 has 2 divisors, whose sum is σ = 88638794. Its totient is φ = 88638792.

The previous prime is 88638773. The next prime is 88638817. The reversal of 88638793 is 39783688.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87366409 + 1272384 = 9347^2 + 1128^2 .

It is a cyclic number.

It is not a de Polignac number, because 88638793 - 2⁹ = 88638281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 88638793.

It is not a weakly prime, because it can be changed into another prime (88638763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44319396 + 44319397.

It is an arithmetic number, because the mean of its divisors is an integer number (44319397).

Almost surely, 2^88638793 is an apocalyptic number.

It is an amenable number.

88638793 is a deficient number, since it is larger than the sum of its proper divisors (1).

88638793 is an equidigital number, since it uses as much as digits as its factorization.

88638793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 52.

The square root of 88638793 is about 9414.8177358885. The cubic root of 88638793 is about 445.8696841548.

The spelling of 88638793 in words is "eighty-eight million, six hundred thirty-eight thousand, seven hundred ninety-three".