8357477965 has 8 divisors (see below), whose sum is σ = 10029667320. Its totient is φ = 6685519872.

The previous prime is 8357477963. The next prime is 8357477969. The reversal of 8357477965 is 5697747538.

It can be written as a sum of positive squares in 4 ways, for example, as 663732169 + 7693745796 = 25763^2 + 87714^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8357477965 - 2¹ = 8357477963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8357477963) 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 7 ways as a sum of consecutive naturals, for example, 35341 + ... + 134029.

It is an arithmetic number, because the mean of its divisors is an integer number (1253708415).

Almost surely, 2^8357477965 is an apocalyptic number.

It is an amenable number.

8357477965 is a deficient number, since it is larger than the sum of its proper divisors (1672189355).

8357477965 is a wasteful number, since it uses less digits than its factorization.

8357477965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115631.

The product of its digits is 44452800, while the sum is 61.

The square root of 8357477965 is about 91419.2428594768. The cubic root of 8357477965 is about 2029.3568108811.

The spelling of 8357477965 in words is "eight billion, three hundred fifty-seven million, four hundred seventy-seven thousand, nine hundred sixty-five".