377213161 has 8 divisors (see below), whose sum is σ = 416138184. Its totient is φ = 339703680.

The previous prime is 377213159. The next prime is 377213183. The reversal of 377213161 is 161312773.

It can be written as a sum of positive squares in 4 ways, for example, as 115600 + 377097561 = 340^2 + 19419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 377213161 - 2¹ = 377213159 is a prime.

It is a super-2 number, since 2×377213161² = 284579537663223842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (377213101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353326 + ... + 354391.

It is an arithmetic number, because the mean of its divisors is an integer number (52017273).

Almost surely, 2^377213161 is an apocalyptic number.

It is an amenable number.

377213161 is a deficient number, since it is larger than the sum of its proper divisors (38925023).

377213161 is a wasteful number, since it uses less digits than its factorization.

377213161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707771.

The product of its digits is 5292, while the sum is 31.

The square root of 377213161 is about 19421.9762382719. The cubic root of 377213161 is about 722.5406392294.

The spelling of 377213161 in words is "three hundred seventy-seven million, two hundred thirteen thousand, one hundred sixty-one".