374977789 has 6 divisors (see below), whose sum is σ = 398333114. Its totient is φ = 352920000.

The previous prime is 374977781. The next prime is 374977807. The reversal of 374977789 is 987779473.

It can be written as a sum of positive squares in 3 ways, for example, as 84548025 + 290429764 = 9195^2 + 17042^2 .

It is not a de Polignac number, because 374977789 - 2³ = 374977781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (374977781) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 648462 + ... + 649039.

Almost surely, 2^374977789 is an apocalyptic number.

It is an amenable number.

374977789 is a deficient number, since it is larger than the sum of its proper divisors (23355325).

374977789 is a wasteful number, since it uses less digits than its factorization.

374977789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297535 (or 1297518 counting only the distinct ones).

The product of its digits is 18670176, while the sum is 61.

The square root of 374977789 is about 19364.3432369910. The cubic root of 374977789 is about 721.1105476258.

The spelling of 374977789 in words is "three hundred seventy-four million, nine hundred seventy-seven thousand, seven hundred eighty-nine".