377742947 has 4 divisors (see below), whose sum is σ = 378569976. Its totient is φ = 376915920.

The previous prime is 377742943. The next prime is 377742949. The reversal of 377742947 is 749247773.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749247773 = 31 ⋅24169283.

It is a cyclic number.

It is not a de Polignac number, because 377742947 - 2² = 377742943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 377742895 and 377742904.

It is not an unprimeable number, because it can be changed into a prime (377742943) 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, 412829 + ... + 413742.

It is an arithmetic number, because the mean of its divisors is an integer number (94642494).

Almost surely, 2^377742947 is an apocalyptic number.

377742947 is a deficient number, since it is larger than the sum of its proper divisors (827029).

377742947 is an equidigital number, since it uses as much as digits as its factorization.

377742947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827028.

The product of its digits is 2074464, while the sum is 50.

The square root of 377742947 is about 19435.6102811309. The cubic root of 377742947 is about 722.8787441236.

The spelling of 377742947 in words is "three hundred seventy-seven million, seven hundred forty-two thousand, nine hundred forty-seven".