387880807 has 2 divisors, whose sum is σ = 387880808. Its totient is φ = 387880806.

The previous prime is 387880781. The next prime is 387880813. The reversal of 387880807 is 708088783.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 387880807 - 2⁷ = 387880679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387880837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193940403 + 193940404.

It is an arithmetic number, because the mean of its divisors is an integer number (193940404).

Almost surely, 2^387880807 is an apocalyptic number.

387880807 is a deficient number, since it is larger than the sum of its proper divisors (1).

387880807 is an equidigital number, since it uses as much as digits as its factorization.

387880807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 602112, while the sum is 49.

The square root of 387880807 is about 19694.6898173086. The cubic root of 387880807 is about 729.2886089014.

The spelling of 387880807 in words is "three hundred eighty-seven million, eight hundred eighty thousand, eight hundred seven".