87796999 has 2 divisors, whose sum is σ = 87797000. Its totient is φ = 87796998.

The previous prime is 87796937. The next prime is 87797029. The reversal of 87796999 is 99969778.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87796999 - 2⁷ = 87796871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87796999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87790999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43898499 + 43898500.

It is an arithmetic number, because the mean of its divisors is an integer number (43898500).

Almost surely, 2^87796999 is an apocalyptic number.

87796999 is a deficient number, since it is larger than the sum of its proper divisors (1).

87796999 is an equidigital number, since it uses as much as digits as its factorization.

87796999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15431472, while the sum is 64.

The square root of 87796999 is about 9370.0052828160. The cubic root of 87796999 is about 444.4537319147.

The spelling of 87796999 in words is "eighty-seven million, seven hundred ninety-six thousand, nine hundred ninety-nine".