8207461957 has 4 divisors (see below), whose sum is σ = 8207645760. Its totient is φ = 8207278156.

The previous prime is 8207461937. The next prime is 8207461963. The reversal of 8207461957 is 7591647028.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8207461957 - 2¹⁵ = 8207429189 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 8207461957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8207461937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22794 + ... + 130132.

It is an arithmetic number, because the mean of its divisors is an integer number (2051911440).

Almost surely, 2^8207461957 is an apocalyptic number.

It is an amenable number.

8207461957 is a deficient number, since it is larger than the sum of its proper divisors (183803).

8207461957 is a wasteful number, since it uses less digits than its factorization.

8207461957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183802.

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 8207461957 is about 90595.0437772398. The cubic root of 8207461957 is about 2017.1411669142.

The spelling of 8207461957 in words is "eight billion, two hundred seven million, four hundred sixty-one thousand, nine hundred fifty-seven".