380880885 has 64 divisors (see below), whose sum is σ = 777553920. Its totient is φ = 154586880.

The previous prime is 380880853. The next prime is 380880917. The reversal of 380880885 is 588088083.

It is an interprime number because it is at equal distance from previous prime (380880853) and next prime (380880917).

It is not a de Polignac number, because 380880885 - 2⁵ = 380880853 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45831 + ... + 53499.

It is an arithmetic number, because the mean of its divisors is an integer number (12149280).

Almost surely, 2^380880885 is an apocalyptic number.

380880885 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

380880885 is an abundant number, since it is smaller than the sum of its proper divisors (396673035).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

380880885 is a wasteful number, since it uses less digits than its factorization.

380880885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7738.

The product of its (nonzero) digits is 491520, while the sum is 48.

The square root of 380880885 is about 19516.1698342682. The cubic root of 380880885 is about 724.8748955756.

The spelling of 380880885 in words is "three hundred eighty million, eight hundred eighty thousand, eight hundred eighty-five".