354774994577 has 4 divisors (see below), whose sum is σ = 354889109940. Its totient is φ = 354660879216.

The previous prime is 354774994571. The next prime is 354774994589. The reversal of 354774994577 is 775499477453.

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

It can be written as a sum of positive squares in 2 ways, for example, as 75488112001 + 279286882576 = 274751^2 + 528476^2 .

It is a cyclic number.

It is not a de Polignac number, because 354774994577 - 2²⁰ = 354773946001 is a prime.

It is a super-2 number, since 2×354774994577² (a number of 24 digits) contains 22 as substring.

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 354774994577.

It is not an unprimeable number, because it can be changed into a prime (354774994571) 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, 57053018 + ... + 57059235.

It is an arithmetic number, because the mean of its divisors is an integer number (88722277485).

Almost surely, 2^354774994577 is an apocalyptic number.

It is an amenable number.

354774994577 is a deficient number, since it is larger than the sum of its proper divisors (114115363).

354774994577 is a wasteful number, since it uses less digits than its factorization.

354774994577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114115362.

The product of its digits is 933508800, while the sum is 71.

The spelling of 354774994577 in words is "three hundred fifty-four billion, seven hundred seventy-four million, nine hundred ninety-four thousand, five hundred seventy-seven".