3457857877 has 4 divisors (see below), whose sum is σ = 3542195916. Its totient is φ = 3373519840.

The previous prime is 3457857863. The next prime is 3457857901. The reversal of 3457857877 is 7787587543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7787587543 = 37 ⋅210475339.

It can be written as a sum of positive squares in 2 ways, for example, as 1022336676 + 2435521201 = 31974^2 + 49351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3457857877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3457857827) 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 3 ways as a sum of consecutive naturals, for example, 42168958 + ... + 42169039.

It is an arithmetic number, because the mean of its divisors is an integer number (885548979).

Almost surely, 2^3457857877 is an apocalyptic number.

It is an amenable number.

3457857877 is a deficient number, since it is larger than the sum of its proper divisors (84338039).

3457857877 is an equidigital number, since it uses as much as digits as its factorization.

3457857877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84338038.

The product of its digits is 46099200, while the sum is 61.

The square root of 3457857877 is about 58803.5532684888. The cubic root of 3457857877 is about 1512.1761347597.

The spelling of 3457857877 in words is "three billion, four hundred fifty-seven million, eight hundred fifty-seven thousand, eight hundred seventy-seven".