8957707961 has 4 divisors (see below), whose sum is σ = 8960888400. Its totient is φ = 8954527524.

The previous prime is 8957707943. The next prime is 8957707973. The reversal of 8957707961 is 1697077598.

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 8957707961 - 2¹⁴ = 8957691577 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 8957707961.

It is not an unprimeable number, because it can be changed into a prime (8957707901) 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, 1585991 + ... + 1591628.

It is an arithmetic number, because the mean of its divisors is an integer number (2240222100).

Almost surely, 2^8957707961 is an apocalyptic number.

It is an amenable number.

8957707961 is a deficient number, since it is larger than the sum of its proper divisors (3180439).

8957707961 is a wasteful number, since it uses less digits than its factorization.

8957707961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180438.

The product of its (nonzero) digits is 6667920, while the sum is 59.

The square root of 8957707961 is about 94645.1687145202. The cubic root of 8957707961 is about 2076.8205214851.

The spelling of 8957707961 in words is "eight billion, nine hundred fifty-seven million, seven hundred seven thousand, nine hundred sixty-one".