354164781677 has 8 divisors (see below), whose sum is σ = 404766007296. Its totient is φ = 303565120272.

The previous prime is 354164781583. The next prime is 354164781683. The reversal of 354164781677 is 776187461453.

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 354164781677 - 2³⁴ = 336984912493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354164781077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142703 + ... + 853635.

It is an arithmetic number, because the mean of its divisors is an integer number (50595750912).

Almost surely, 2^354164781677 is an apocalyptic number.

It is an amenable number.

354164781677 is a deficient number, since it is larger than the sum of its proper divisors (50601225619).

354164781677 is an equidigital number, since it uses as much as digits as its factorization.

354164781677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782107.

The product of its digits is 23708160, while the sum is 59.

The spelling of 354164781677 in words is "three hundred fifty-four billion, one hundred sixty-four million, seven hundred eighty-one thousand, six hundred seventy-seven".