381950877 has 32 divisors (see below), whose sum is σ = 638797824. Its totient is φ = 197208000.

The previous prime is 381950873. The next prime is 381950893. The reversal of 381950877 is 778059183.

It is not a de Polignac number, because 381950877 - 2² = 381950873 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381950873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33627 + ... + 43527.

It is an arithmetic number, because the mean of its divisors is an integer number (19962432).

Almost surely, 2^381950877 is an apocalyptic number.

It is an amenable number.

381950877 is a deficient number, since it is larger than the sum of its proper divisors (256846947).

381950877 is a wasteful number, since it uses less digits than its factorization.

381950877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10089.

The product of its (nonzero) digits is 423360, while the sum is 48.

The square root of 381950877 is about 19543.5635696257. The cubic root of 381950877 is about 725.5530473768.

The spelling of 381950877 in words is "three hundred eighty-one million, nine hundred fifty thousand, eight hundred seventy-seven".