620157367 has 4 divisors (see below), whose sum is σ = 620275216. Its totient is φ = 620039520.

The previous prime is 620157361. The next prime is 620157371. The reversal of 620157367 is 763751026.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 763751026 = 2 ⋅381875513.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620157367 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 (620157361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50643 + ... + 61684.

It is an arithmetic number, because the mean of its divisors is an integer number (155068804).

Almost surely, 2^620157367 is an apocalyptic number.

620157367 is a deficient number, since it is larger than the sum of its proper divisors (117849).

620157367 is a wasteful number, since it uses less digits than its factorization.

620157367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117848.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 620157367 is about 24902.9590008898. The cubic root of 620157367 is about 852.7740358487.

The spelling of 620157367 in words is "six hundred twenty million, one hundred fifty-seven thousand, three hundred sixty-seven".