377131961 has 8 divisors (see below), whose sum is σ = 402462720. Its totient is φ = 352150848.

The previous prime is 377131939. The next prime is 377131967. The reversal of 377131961 is 169131773.

It is a happy number.

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 377131961 - 2¹⁰ = 377130937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (377131967) 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, 85181 + ... + 89498.

It is an arithmetic number, because the mean of its divisors is an integer number (50307840).

Almost surely, 2^377131961 is an apocalyptic number.

It is an amenable number.

377131961 is a deficient number, since it is larger than the sum of its proper divisors (25330759).

377131961 is a wasteful number, since it uses less digits than its factorization.

377131961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174823.

The product of its digits is 23814, while the sum is 38.

The square root of 377131961 is about 19419.8857102713. The cubic root of 377131961 is about 722.4887901104.

The spelling of 377131961 in words is "three hundred seventy-seven million, one hundred thirty-one thousand, nine hundred sixty-one".