377720061 has 4 divisors (see below), whose sum is σ = 503626752. Its totient is φ = 251813372.

The previous prime is 377720039. The next prime is 377720149. The reversal of 377720061 is 160027773.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 377720061 - 2⁶ = 377719997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (377720011) 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, 62953341 + ... + 62953346.

It is an arithmetic number, because the mean of its divisors is an integer number (125906688).

Almost surely, 2^377720061 is an apocalyptic number.

It is an amenable number.

377720061 is a deficient number, since it is larger than the sum of its proper divisors (125906691).

377720061 is a wasteful number, since it uses less digits than its factorization.

377720061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125906690.

The product of its (nonzero) digits is 12348, while the sum is 33.

The square root of 377720061 is about 19435.0215075775. The cubic root of 377720061 is about 722.8641450096.

The spelling of 377720061 in words is "three hundred seventy-seven million, seven hundred twenty thousand, sixty-one".