620874911 has 8 divisors (see below), whose sum is σ = 639842784. Its totient is φ = 602022240.

The previous prime is 620874899. The next prime is 620874923. The reversal of 620874911 is 119478026.

It is an interprime number because it is at equal distance from previous prime (620874899) and next prime (620874923).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 620874911 - 2⁶ = 620874847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620874971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17795 + ... + 39476.

It is an arithmetic number, because the mean of its divisors is an integer number (79980348).

Almost surely, 2^620874911 is an apocalyptic number.

620874911 is a deficient number, since it is larger than the sum of its proper divisors (18967873).

620874911 is a wasteful number, since it uses less digits than its factorization.

620874911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57601.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 620874911 is about 24917.3616380226. The cubic root of 620874911 is about 853.1028056520.

The spelling of 620874911 in words is "six hundred twenty million, eight hundred seventy-four thousand, nine hundred eleven".