6785456457 has 16 divisors (see below), whose sum is σ = 9819944960. Its totient is φ = 4142783232.

The previous prime is 6785456443. The next prime is 6785456473. The reversal of 6785456457 is 7546545876.

It is not a de Polignac number, because 6785456457 - 2⁶ = 6785456393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6785456397 and 6785456406.

It is not an unprimeable number, because it can be changed into a prime (6785456407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 680032 + ... + 689937.

It is an arithmetic number, because the mean of its divisors is an integer number (613746560).

Almost surely, 2^6785456457 is an apocalyptic number.

It is an amenable number.

6785456457 is a deficient number, since it is larger than the sum of its proper divisors (3034488503).

6785456457 is a wasteful number, since it uses less digits than its factorization.

6785456457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370112.

The product of its digits is 28224000, while the sum is 57.

The square root of 6785456457 is about 82373.8821289855. The cubic root of 6785456457 is about 1893.1848597003.

The spelling of 6785456457 in words is "six billion, seven hundred eighty-five million, four hundred fifty-six thousand, four hundred fifty-seven".