880393478639 has 2 divisors, whose sum is σ = 880393478640. Its totient is φ = 880393478638.

The previous prime is 880393478557. The next prime is 880393478669. The reversal of 880393478639 is 936874393088.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 880393478639 - 2²⁸ = 880125043183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (880393478669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440196739319 + 440196739320.

It is an arithmetic number, because the mean of its divisors is an integer number (440196739320).

Almost surely, 2^880393478639 is an apocalyptic number.

880393478639 is a deficient number, since it is larger than the sum of its proper divisors (1).

880393478639 is an equidigital number, since it uses as much as digits as its factorization.

880393478639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 188116992, while the sum is 68.

The spelling of 880393478639 in words is "eight hundred eighty billion, three hundred ninety-three million, four hundred seventy-eight thousand, six hundred thirty-nine".