377685009 has 48 divisors (see below), whose sum is σ = 612502800. Its totient is φ = 222663168.

The previous prime is 377684987. The next prime is 377685013. The reversal of 377685009 is 900586773.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 85377600 + 292307409 = 9240^2 + 17097^2 .

It is not a de Polignac number, because 377685009 - 2¹¹ = 377682961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (377685089) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 532347 + ... + 533055.

It is an arithmetic number, because the mean of its divisors is an integer number (12760475).

Almost surely, 2^377685009 is an apocalyptic number.

377685009 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

377685009 is a deficient number, since it is larger than the sum of its proper divisors (234817791).

377685009 is a wasteful number, since it uses less digits than its factorization.

377685009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 911 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 377685009 is about 19434.1197125056. The cubic root of 377685009 is about 722.8417839893.

The spelling of 377685009 in words is "three hundred seventy-seven million, six hundred eighty-five thousand, nine".