331677667 has 4 divisors (see below), whose sum is σ = 351188136. Its totient is φ = 312167200.

The previous prime is 331677631. The next prime is 331677677. The reversal of 331677667 is 766776133.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331677667 is a prime.

It is a super-2 number, since 2×331677667² = 220020149573125778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331677607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9755209 + ... + 9755242.

It is an arithmetic number, because the mean of its divisors is an integer number (87797034).

Almost surely, 2^331677667 is an apocalyptic number.

331677667 is a deficient number, since it is larger than the sum of its proper divisors (19510469).

331677667 is a wasteful number, since it uses less digits than its factorization.

331677667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19510468.

The product of its digits is 666792, while the sum is 46.

The square root of 331677667 is about 18212.0198495389. The cubic root of 331677667 is about 692.2113935062.

The spelling of 331677667 in words is "three hundred thirty-one million, six hundred seventy-seven thousand, six hundred sixty-seven".