88719266828861 has 2 divisors, whose sum is σ = 88719266828862. Its totient is φ = 88719266828860.

The previous prime is 88719266828831. The next prime is 88719266828867. The reversal of 88719266828861 is 16882866291788.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65449313505625 + 23269953323236 = 8090075^2 + 4823894^2 .

It is a cyclic number.

It is not a de Polignac number, because 88719266828861 - 2⁴² = 84321220317757 is a prime.

It is a super-2 number, since 2×88719266828861² (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 (88719266828867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44359633414430 + 44359633414431.

It is an arithmetic number, because the mean of its divisors is an integer number (44359633414431).

Almost surely, 2^{88719266828861} is an apocalyptic number.

It is an amenable number.

88719266828861 is a deficient number, since it is larger than the sum of its proper divisors (1).

88719266828861 is an equidigital number, since it uses as much as digits as its factorization.

88719266828861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1783627776, while the sum is 80.

The spelling of 88719266828861 in words is "eighty-eight trillion, seven hundred nineteen billion, two hundred sixty-six million, eight hundred twenty-eight thousand, eight hundred sixty-one".