920874659 has 2 divisors, whose sum is σ = 920874660. Its totient is φ = 920874658.

The previous prime is 920874607. The next prime is 920874673. The reversal of 920874659 is 956478029.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-920874659 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (920874679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460437329 + 460437330.

It is an arithmetic number, because the mean of its divisors is an integer number (460437330).

Almost surely, 2^920874659 is an apocalyptic number.

920874659 is a deficient number, since it is larger than the sum of its proper divisors (1).

920874659 is an equidigital number, since it uses as much as digits as its factorization.

920874659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 920874659 is about 30345.9166775367. The cubic root of 920874659 is about 972.8969472791.

The spelling of 920874659 in words is "nine hundred twenty million, eight hundred seventy-four thousand, six hundred fifty-nine".