377491966 has 4 divisors (see below), whose sum is σ = 566237952. Its totient is φ = 188745982.

The previous prime is 377491963. The next prime is 377492009. The reversal of 377491966 is 669194773.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (377491963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94372990 + ... + 94372993.

It is an arithmetic number, because the mean of its divisors is an integer number (141559488).

Almost surely, 2^377491966 is an apocalyptic number.

377491966 is a deficient number, since it is larger than the sum of its proper divisors (188745986).

377491966 is a wasteful number, since it uses less digits than its factorization.

377491966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188745985.

The product of its digits is 1714608, while the sum is 52.

The square root of 377491966 is about 19429.1524776558. The cubic root of 377491966 is about 722.7186096299.

The spelling of 377491966 in words is "three hundred seventy-seven million, four hundred ninety-one thousand, nine hundred sixty-six".