3850583978 has 4 divisors (see below), whose sum is σ = 5775875970. Its totient is φ = 1925291988.

The previous prime is 3850583941. The next prime is 3850583983. The reversal of 3850583978 is 8793850583.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2099747329 + 1750836649 = 45823^2 + 41843^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962645993 + ... + 962645996.

Almost surely, 2^3850583978 is an apocalyptic number.

3850583978 is a deficient number, since it is larger than the sum of its proper divisors (1925291992).

3850583978 is a wasteful number, since it uses less digits than its factorization.

3850583978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925291991.

The product of its (nonzero) digits is 7257600, while the sum is 56.

The square root of 3850583978 is about 62053.0738803486. The cubic root of 3850583978 is about 1567.3844475426.

The spelling of 3850583978 in words is "three billion, eight hundred fifty million, five hundred eighty-three thousand, nine hundred seventy-eight".