620761199 has 2 divisors, whose sum is σ = 620761200. Its totient is φ = 620761198.

The previous prime is 620761189. The next prime is 620761259. The reversal of 620761199 is 991167026.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620761199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620761109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310380599 + 310380600.

It is an arithmetic number, because the mean of its divisors is an integer number (310380600).

Almost surely, 2^620761199 is an apocalyptic number.

620761199 is a deficient number, since it is larger than the sum of its proper divisors (1).

620761199 is an equidigital number, since it uses as much as digits as its factorization.

620761199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 620761199 is about 24915.0797510263. The cubic root of 620761199 is about 853.0507211137.

The spelling of 620761199 in words is "six hundred twenty million, seven hundred sixty-one thousand, one hundred ninety-nine".