351777667 has 8 divisors (see below), whose sum is σ = 357857552. Its totient is φ = 345708000.

The previous prime is 351777659. The next prime is 351777689. The reversal of 351777667 is 766777153.

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 351777667 - 2³ = 351777659 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 351777667.

It is not an unprimeable number, because it can be changed into a prime (351777607) 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, 104917 + ... + 108217.

It is an arithmetic number, because the mean of its divisors is an integer number (44732194).

Almost surely, 2^351777667 is an apocalyptic number.

351777667 is a deficient number, since it is larger than the sum of its proper divisors (6079885).

351777667 is a wasteful number, since it uses less digits than its factorization.

351777667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5109.

The product of its digits is 1296540, while the sum is 49.

The square root of 351777667 is about 18755.7369090100. The cubic root of 351777667 is about 705.9209780023.

The spelling of 351777667 in words is "three hundred fifty-one million, seven hundred seventy-seven thousand, six hundred sixty-seven".