380402838477 has 24 divisors (see below), whose sum is σ = 562373011200. Its totient is φ = 247649609088.

The previous prime is 380402838463. The next prime is 380402838509. The reversal of 380402838477 is 774838204083.

380402838477 is a `hidden beast` number, since 3 + 80 + 40 + 28 + 38 + 477 = 666.

It is not a de Polignac number, because 380402838477 - 2⁴ = 380402838461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380402838457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1689349 + ... + 1901237.

It is an arithmetic number, because the mean of its divisors is an integer number (23432208800).

Almost surely, 2^380402838477 is an apocalyptic number.

It is an amenable number.

380402838477 is a deficient number, since it is larger than the sum of its proper divisors (181970172723).

380402838477 is a wasteful number, since it uses less digits than its factorization.

380402838477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216577 (or 216574 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 54.

The spelling of 380402838477 in words is "three hundred eighty billion, four hundred two million, eight hundred thirty-eight thousand, four hundred seventy-seven".