387619397107 has 2 divisors, whose sum is σ = 387619397108. Its totient is φ = 387619397106.

The previous prime is 387619397041. The next prime is 387619397149. The reversal of 387619397107 is 701793916783.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-387619397107 is a prime.

It is not a weakly prime, because it can be changed into another prime (388619397107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193809698553 + 193809698554.

It is an arithmetic number, because the mean of its divisors is an integer number (193809698554).

Almost surely, 2^387619397107 is an apocalyptic number.

387619397107 is a deficient number, since it is larger than the sum of its proper divisors (1).

387619397107 is an equidigital number, since it uses as much as digits as its factorization.

387619397107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12002256, while the sum is 61.

The spelling of 387619397107 in words is "three hundred eighty-seven billion, six hundred nineteen million, three hundred ninety-seven thousand, one hundred seven".