620860055107 has 2 divisors, whose sum is σ = 620860055108. Its totient is φ = 620860055106.

The previous prime is 620860055089. The next prime is 620860055113. The reversal of 620860055107 is 701550068026.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 620860055107 - 2³⁵ = 586500316739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 620860055107.

It is not a weakly prime, because it can be changed into another prime (620860085107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310430027553 + 310430027554.

It is an arithmetic number, because the mean of its divisors is an integer number (310430027554).

Almost surely, 2^620860055107 is an apocalyptic number.

620860055107 is a deficient number, since it is larger than the sum of its proper divisors (1).

620860055107 is an equidigital number, since it uses as much as digits as its factorization.

620860055107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 620860055107 in words is "six hundred twenty billion, eight hundred sixty million, fifty-five thousand, one hundred seven".