331470677 has 8 divisors (see below), whose sum is σ = 334148760. Its totient is φ = 328803840.

The previous prime is 331470647. The next prime is 331470683. The reversal of 331470677 is 776074133.

It can be written as a sum of positive squares in 4 ways, for example, as 2193361 + 329277316 = 1481^2 + 18146^2 .

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 331470677 - 2⁶ = 331470613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331470677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331470647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62273 + ... + 67385.

It is an arithmetic number, because the mean of its divisors is an integer number (41768595).

Almost surely, 2^331470677 is an apocalyptic number.

It is an amenable number.

331470677 is a deficient number, since it is larger than the sum of its proper divisors (2678083).

331470677 is a wasteful number, since it uses less digits than its factorization.

331470677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5623.

The product of its (nonzero) digits is 74088, while the sum is 38.

The square root of 331470677 is about 18206.3361772763. The cubic root of 331470677 is about 692.0673674767.

The spelling of 331470677 in words is "three hundred thirty-one million, four hundred seventy thousand, six hundred seventy-seven".