377978434 has 4 divisors (see below), whose sum is σ = 566967654. Its totient is φ = 188989216.

The previous prime is 377978413. The next prime is 377978441. The reversal of 377978434 is 434879773.

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., 353327209 + 24651225 = 18797^2 + 4965^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94494607 + ... + 94494610.

Almost surely, 2^377978434 is an apocalyptic number.

377978434 is a deficient number, since it is larger than the sum of its proper divisors (188989220).

377978434 is a wasteful number, since it uses less digits than its factorization.

377978434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188989219.

The product of its digits is 3556224, while the sum is 52.

The square root of 377978434 is about 19441.6674696385. The cubic root of 377978434 is about 723.0289284281.

The spelling of 377978434 in words is "three hundred seventy-seven million, nine hundred seventy-eight thousand, four hundred thirty-four".