377999899 has 2 divisors, whose sum is σ = 377999900. Its totient is φ = 377999898.

The previous prime is 377999893. The next prime is 377999929. The reversal of 377999899 is 998999773.

It is a weak prime.

It is an emirp because it is prime and its reverse (998999773) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 377999899 - 2⁹ = 377999387 is a prime.

It is not a weakly prime, because it can be changed into another prime (377999893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188999949 + 188999950.

It is an arithmetic number, because the mean of its divisors is an integer number (188999950).

Almost surely, 2^377999899 is an apocalyptic number.

377999899 is a deficient number, since it is larger than the sum of its proper divisors (1).

377999899 is an equidigital number, since it uses as much as digits as its factorization.

377999899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69441624, while the sum is 70.

The square root of 377999899 is about 19442.2194977837. The cubic root of 377999899 is about 723.0426148546.

The spelling of 377999899 in words is "three hundred seventy-seven million, nine hundred ninety-nine thousand, eight hundred ninety-nine".