86899079279071 has 2 divisors, whose sum is σ = 86899079279072. Its totient is φ = 86899079279070.

The previous prime is 86899079279009. The next prime is 86899079279081. The reversal of 86899079279071 is 17097297099868.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86899079279071 - 2²⁹ = 86898542408159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86899079279081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43449539639535 + 43449539639536.

It is an arithmetic number, because the mean of its divisors is an integer number (43449539639536).

Almost surely, 2^{86899079279071} is an apocalyptic number.

86899079279071 is a deficient number, since it is larger than the sum of its proper divisors (1).

86899079279071 is an equidigital number, since it uses as much as digits as its factorization.

86899079279071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728324864, while the sum is 82.

The spelling of 86899079279071 in words is "eighty-six trillion, eight hundred ninety-nine billion, seventy-nine million, two hundred seventy-nine thousand, seventy-one".