192903047857 has 12 divisors (see below), whose sum is σ = 210134010240. Its totient is φ = 176998072368.

The previous prime is 192903047833. The next prime is 192903047903. The reversal of 192903047857 is 758740309291.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-192903047857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 192903047798 and 192903047807.

It is not an unprimeable number, because it can be changed into a prime (192903047807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3389257 + ... + 3445702.

It is an arithmetic number, because the mean of its divisors is an integer number (17511167520).

Almost surely, 2^192903047857 is an apocalyptic number.

It is an amenable number.

192903047857 is a deficient number, since it is larger than the sum of its proper divisors (17230962383).

192903047857 is a wasteful number, since it uses less digits than its factorization.

192903047857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6835152 (or 6835139 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 55.

The spelling of 192903047857 in words is "one hundred ninety-two billion, nine hundred three million, forty-seven thousand, eight hundred fifty-seven".