380735778 has 8 divisors (see below), whose sum is σ = 761471568. Its totient is φ = 126911924.

The previous prime is 380735777. The next prime is 380735819. The reversal of 380735778 is 877537083.

It is a sphenic number, since it is the product of 3 distinct primes.

380735778 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (380735777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31727976 + ... + 31727987.

It is an arithmetic number, because the mean of its divisors is an integer number (95183946).

Almost surely, 2^380735778 is an apocalyptic number.

380735778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

380735778 is a wasteful number, since it uses less digits than its factorization.

380735778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63455968.

The product of its (nonzero) digits is 987840, while the sum is 48.

The square root of 380735778 is about 19512.4518705364. The cubic root of 380735778 is about 724.7828302379.

The spelling of 380735778 in words is "three hundred eighty million, seven hundred thirty-five thousand, seven hundred seventy-eight".