86072999 has 2 divisors, whose sum is σ = 86073000. Its totient is φ = 86072998.

The previous prime is 86072977. The next prime is 86073011. The reversal of 86072999 is 99927068.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86072999 is a prime.

It is a super-2 number, since 2×86072999² = 14817122313708002, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86072929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43036499 + 43036500.

It is an arithmetic number, because the mean of its divisors is an integer number (43036500).

Almost surely, 2^86072999 is an apocalyptic number.

86072999 is a deficient number, since it is larger than the sum of its proper divisors (1).

86072999 is an equidigital number, since it uses as much as digits as its factorization.

86072999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 86072999 is about 9277.5535029446. The cubic root of 86072999 is about 441.5253516017.

The spelling of 86072999 in words is "eighty-six million, seventy-two thousand, nine hundred ninety-nine".