88366721900749 has 2 divisors, whose sum is σ = 88366721900750. Its totient is φ = 88366721900748.

The previous prime is 88366721900689. The next prime is 88366721900753. The reversal of 88366721900749 is 94700912766388.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45237529033225 + 43129192867524 = 6725885^2 + 6567282^2 .

It is a cyclic number.

It is not a de Polignac number, because 88366721900749 - 2³⁵ = 88332362162381 is a prime.

It is a super-2 number, since 2×88366721900749² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88366721900789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44183360950374 + 44183360950375.

It is an arithmetic number, because the mean of its divisors is an integer number (44183360950375).

Almost surely, 2^{88366721900749} is an apocalyptic number.

It is an amenable number.

88366721900749 is a deficient number, since it is larger than the sum of its proper divisors (1).

88366721900749 is an equidigital number, since it uses as much as digits as its factorization.

88366721900749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 219469824, while the sum is 70.

The spelling of 88366721900749 in words is "eighty-eight trillion, three hundred sixty-six billion, seven hundred twenty-one million, nine hundred thousand, seven hundred forty-nine".