620111799 has 12 divisors (see below), whose sum is σ = 908333712. Its totient is φ = 407584800.

The previous prime is 620111783. The next prime is 620111801. The reversal of 620111799 is 997111026.

620111799 is a `hidden beast` number, since 620 + 11 + 17 + 9 + 9 = 666.

It is not a de Polignac number, because 620111799 - 2⁴ = 620111783 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620111719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 484582 + ... + 485859.

It is an arithmetic number, because the mean of its divisors is an integer number (75694476).

Almost surely, 2^620111799 is an apocalyptic number.

620111799 is a deficient number, since it is larger than the sum of its proper divisors (288221913).

620111799 is a wasteful number, since it uses less digits than its factorization.

620111799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970518 (or 970515 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 36.

The square root of 620111799 is about 24902.0440727262. The cubic root of 620111799 is about 852.7531485916.

The spelling of 620111799 in words is "six hundred twenty million, one hundred eleven thousand, seven hundred ninety-nine".