88691097601 has 2 divisors, whose sum is σ = 88691097602. Its totient is φ = 88691097600.

The previous prime is 88691097577. The next prime is 88691097611. The reversal of 88691097601 is 10679019688.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59280562576 + 29410535025 = 243476^2 + 171495^2 .

It is a cyclic number.

It is not a de Polignac number, because 88691097601 - 2¹¹ = 88691095553 is a prime.

It is a super-2 number, since 2×88691097601² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (88691097611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44345548800 + 44345548801.

It is an arithmetic number, because the mean of its divisors is an integer number (44345548801).

Almost surely, 2^88691097601 is an apocalyptic number.

It is an amenable number.

88691097601 is a deficient number, since it is larger than the sum of its proper divisors (1).

88691097601 is an equidigital number, since it uses as much as digits as its factorization.

88691097601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 55.

The spelling of 88691097601 in words is "eighty-eight billion, six hundred ninety-one million, ninety-seven thousand, six hundred one".