87393079 has 2 divisors, whose sum is σ = 87393080. Its totient is φ = 87393078.

The previous prime is 87393049. The next prime is 87393091. The reversal of 87393079 is 97039378.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87393079 - 2¹⁵ = 87360311 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87393029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43696539 + 43696540.

It is an arithmetic number, because the mean of its divisors is an integer number (43696540).

Almost surely, 2^87393079 is an apocalyptic number.

87393079 is a deficient number, since it is larger than the sum of its proper divisors (1).

87393079 is an equidigital number, since it uses as much as digits as its factorization.

87393079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 87393079 is about 9348.4265520996. The cubic root of 87393079 is about 443.7710974827.

The spelling of 87393079 in words is "eighty-seven million, three hundred ninety-three thousand, seventy-nine".