620198807 has 4 divisors (see below), whose sum is σ = 620248680. Its totient is φ = 620148936.

The previous prime is 620198801. The next prime is 620198819. The reversal of 620198807 is 708891026.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 620198807 - 2⁴ = 620198791 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 (620198801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10568 + ... + 36770.

It is an arithmetic number, because the mean of its divisors is an integer number (155062170).

Almost surely, 2^620198807 is an apocalyptic number.

620198807 is a deficient number, since it is larger than the sum of its proper divisors (49873).

620198807 is a wasteful number, since it uses less digits than its factorization.

620198807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49872.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 620198807 is about 24903.7910166304. The cubic root of 620198807 is about 852.7930300432.

The spelling of 620198807 in words is "six hundred twenty million, one hundred ninety-eight thousand, eight hundred seven".