385687412507 has 2 divisors, whose sum is σ = 385687412508. Its totient is φ = 385687412506.

The previous prime is 385687412503. The next prime is 385687412531. The reversal of 385687412507 is 705214786583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 385687412507 - 2² = 385687412503 is a prime.

It is not a weakly prime, because it can be changed into another prime (385687412503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192843706253 + 192843706254.

It is an arithmetic number, because the mean of its divisors is an integer number (192843706254).

Almost surely, 2^385687412507 is an apocalyptic number.

385687412507 is a deficient number, since it is larger than the sum of its proper divisors (1).

385687412507 is an equidigital number, since it uses as much as digits as its factorization.

385687412507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11289600, while the sum is 56.

The spelling of 385687412507 in words is "three hundred eighty-five billion, six hundred eighty-seven million, four hundred twelve thousand, five hundred seven".