87694799 has 2 divisors, whose sum is σ = 87694800. Its totient is φ = 87694798.

The previous prime is 87694781. The next prime is 87694801. The reversal of 87694799 is 99749678.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87694799 - 2²⁰ = 86646223 is a prime.

Together with 87694801, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87694769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43847399 + 43847400.

It is an arithmetic number, because the mean of its divisors is an integer number (43847400).

Almost surely, 2^87694799 is an apocalyptic number.

87694799 is a deficient number, since it is larger than the sum of its proper divisors (1).

87694799 is an equidigital number, since it uses as much as digits as its factorization.

87694799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6858432, while the sum is 59.

The square root of 87694799 is about 9364.5501226701. The cubic root of 87694799 is about 444.2812096636.

The spelling of 87694799 in words is "eighty-seven million, six hundred ninety-four thousand, seven hundred ninety-nine".