9071607828857 has 4 divisors (see below), whose sum is σ = 10367551804416. Its totient is φ = 7775663853300.

The previous prime is 9071607828839. The next prime is 9071607828887. The reversal of 9071607828857 is 7588287061709.

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 not a de Polignac number, because 9071607828857 - 2²⁴ = 9071591051641 is a prime.

It is a super-2 number, since 2×9071607828857² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9071607828887) 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, 647971987769 + ... + 647971987782.

It is an arithmetic number, because the mean of its divisors is an integer number (2591887951104).

Almost surely, 2^{9071607828857} is an apocalyptic number.

It is an amenable number.

9071607828857 is a deficient number, since it is larger than the sum of its proper divisors (1295943975559).

9071607828857 is a wasteful number, since it uses less digits than its factorization.

9071607828857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295943975558.

The product of its (nonzero) digits is 94832640, while the sum is 68.

The spelling of 9071607828857 in words is "nine trillion, seventy-one billion, six hundred seven million, eight hundred twenty-eight thousand, eight hundred fifty-seven".