3457883777581 has 8 divisors (see below), whose sum is σ = 3760242455160. Its totient is φ = 3166519961088.

The previous prime is 3457883777533. The next prime is 3457883777641. The reversal of 3457883777581 is 1857773887543.

It can be written as a sum of positive squares in 4 ways, for example, as 2608011824356 + 849871953225 = 1614934^2 + 921885^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-3457883777581 is a prime.

It is a super-2 number, since 2×3457883777581² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3457883771581) 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, 2748714616 + ... + 2748715873.

It is an arithmetic number, because the mean of its divisors is an integer number (470030306895).

Almost surely, 2^{3457883777581} is an apocalyptic number.

It is an amenable number.

3457883777581 is a deficient number, since it is larger than the sum of its proper divisors (302358677579).

3457883777581 is a wasteful number, since it uses less digits than its factorization.

3457883777581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5497430543.

The product of its digits is 1106380800, while the sum is 73.

The spelling of 3457883777581 in words is "three trillion, four hundred fifty-seven billion, eight hundred eighty-three million, seven hundred seventy-seven thousand, five hundred eighty-one".