6457086722 has 8 divisors (see below), whose sum is σ = 9686222796. Its totient is φ = 3228345792.

The previous prime is 6457086719. The next prime is 6457086733. The reversal of 6457086722 is 2276807546.

It can be written as a sum of positive squares in 2 ways, for example, as 6387046561 + 70040161 = 79919^2 + 8369^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53843 + ... + 125750.

Almost surely, 2^6457086722 is an apocalyptic number.

6457086722 is a deficient number, since it is larger than the sum of its proper divisors (3229136074).

6457086722 is a wasteful number, since it uses less digits than its factorization.

6457086722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197572.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The square root of 6457086722 is about 80355.9999128876. Note that the first 4 decimals coincide. The cubic root of 6457086722 is about 1862.1394737932.

The spelling of 6457086722 in words is "six billion, four hundred fifty-seven million, eighty-six thousand, seven hundred twenty-two".