7852407457 has 16 divisors (see below), whose sum is σ = 8797325760. Its totient is φ = 6965194752.

The previous prime is 7852407449. The next prime is 7852407463. The reversal of 7852407457 is 7547042587.

It is a cyclic number.

It is not a de Polignac number, because 7852407457 - 2³ = 7852407449 is a prime.

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 7852407457.

It is not an unprimeable number, because it can be changed into a prime (7852407467) 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, 643 + ... + 125320.

It is an arithmetic number, because the mean of its divisors is an integer number (549832860).

Almost surely, 2^7852407457 is an apocalyptic number.

It is an amenable number.

7852407457 is a deficient number, since it is larger than the sum of its proper divisors (944918303).

7852407457 is a wasteful number, since it uses less digits than its factorization.

7852407457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126192.

The product of its (nonzero) digits is 2195200, while the sum is 49.

The square root of 7852407457 is about 88613.8107576917. The cubic root of 7852407457 is about 1987.6241991503.

The spelling of 7852407457 in words is "seven billion, eight hundred fifty-two million, four hundred seven thousand, four hundred fifty-seven".