377994497 has 4 divisors (see below), whose sum is σ = 391028820. Its totient is φ = 364960176.

The previous prime is 377994469. The next prime is 377994509. The reversal of 377994497 is 794499773.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 794499773 = 227 ⋅3499999.

It can be written as a sum of positive squares in 2 ways, for example, as 77457601 + 300536896 = 8801^2 + 17336^2 .

It is a cyclic number.

It is not a de Polignac number, because 377994497 - 2⁶ = 377994433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (377994437) 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, 6517118 + ... + 6517175.

It is an arithmetic number, because the mean of its divisors is an integer number (97757205).

Almost surely, 2^377994497 is an apocalyptic number.

It is an amenable number.

377994497 is a deficient number, since it is larger than the sum of its proper divisors (13034323).

377994497 is a wasteful number, since it uses less digits than its factorization.

377994497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13034322.

The product of its digits is 12002256, while the sum is 59.

The square root of 377994497 is about 19442.0805728194. The cubic root of 377994497 is about 723.0391705020.

The spelling of 377994497 in words is "three hundred seventy-seven million, nine hundred ninety-four thousand, four hundred ninety-seven".