380825263861 has 32 divisors (see below), whose sum is σ = 462889728000. Its totient is φ = 306448496640.

The previous prime is 380825263849. The next prime is 380825263957. The reversal of 380825263861 is 168362528083.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380825263861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 380825263799 and 380825263808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380825263801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 837565 + ... + 1209613.

It is an arithmetic number, because the mean of its divisors is an integer number (14465304000).

Almost surely, 2^380825263861 is an apocalyptic number.

380825263861 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

380825263861 is a deficient number, since it is larger than the sum of its proper divisors (82064464139).

380825263861 is a wasteful number, since it uses less digits than its factorization.

380825263861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372229.

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 380825263861 in words is "three hundred eighty billion, eight hundred twenty-five million, two hundred sixty-three thousand, eight hundred sixty-one".