9996261457 has 48 divisors (see below), whose sum is σ = 12813862656. Its totient is φ = 7593264000.

The previous prime is 9996261439. The next prime is 9996261461. The reversal of 9996261457 is 7541626999.

It is not a de Polignac number, because 9996261457 - 2¹¹ = 9996259409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9996261427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13204723 + ... + 13205479.

It is an arithmetic number, because the mean of its divisors is an integer number (266955472).

Almost surely, 2^9996261457 is an apocalyptic number.

It is an amenable number.

9996261457 is a deficient number, since it is larger than the sum of its proper divisors (2817601199).

9996261457 is a wasteful number, since it uses less digits than its factorization.

9996261457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990 (or 959 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 58.

The square root of 9996261457 is about 99981.3055375854. The cubic root of 9996261457 is about 2154.1661750096.

The spelling of 9996261457 in words is "nine billion, nine hundred ninety-six million, two hundred sixty-one thousand, four hundred fifty-seven".