380730991827 has 16 divisors (see below), whose sum is σ = 508465762560. Its totient is φ = 253408736352.

The previous prime is 380730991813. The next prime is 380730991829. The reversal of 380730991827 is 728199037083.

It is not a de Polignac number, because 380730991827 - 2²² = 380726797523 is a prime.

It is a super-2 number, since 2×380730991827² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (380730991829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5333074 + ... + 5403992.

It is an arithmetic number, because the mean of its divisors is an integer number (31779110160).

Almost surely, 2^380730991827 is an apocalyptic number.

380730991827 is a deficient number, since it is larger than the sum of its proper divisors (127734770733).

380730991827 is a wasteful number, since it uses less digits than its factorization.

380730991827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73802.

The product of its (nonzero) digits is 4572288, while the sum is 57.

The spelling of 380730991827 in words is "three hundred eighty billion, seven hundred thirty million, nine hundred ninety-one thousand, eight hundred twenty-seven".