620992327 has 2 divisors, whose sum is σ = 620992328. Its totient is φ = 620992326.

The previous prime is 620992301. The next prime is 620992343. The reversal of 620992327 is 723299026.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620992327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 620992327.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620992927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310496163 + 310496164.

It is an arithmetic number, because the mean of its divisors is an integer number (310496164).

Almost surely, 2^620992327 is an apocalyptic number.

620992327 is a deficient number, since it is larger than the sum of its proper divisors (1).

620992327 is an equidigital number, since it uses as much as digits as its factorization.

620992327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 620992327 is about 24919.7176348369. The cubic root of 620992327 is about 853.1565800938.

The spelling of 620992327 in words is "six hundred twenty million, nine hundred ninety-two thousand, three hundred twenty-seven".