88697719091 has 2 divisors, whose sum is σ = 88697719092. Its totient is φ = 88697719090.

The previous prime is 88697719069. The next prime is 88697719127. The reversal of 88697719091 is 19091779688.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88697719091 - 2³⁰ = 87623977267 is a prime.

It is a super-4 number, since 4×88697719091⁴ (a number of 45 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (88697710091) 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 as a sum of consecutive naturals, namely, 44348859545 + 44348859546.

It is an arithmetic number, because the mean of its divisors is an integer number (44348859546).

Almost surely, 2^88697719091 is an apocalyptic number.

88697719091 is a deficient number, since it is larger than the sum of its proper divisors (1).

88697719091 is an equidigital number, since it uses as much as digits as its factorization.

88697719091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13716864, while the sum is 65.

The spelling of 88697719091 in words is "eighty-eight billion, six hundred ninety-seven million, seven hundred nineteen thousand, ninety-one".