849761228977 has 8 divisors (see below), whose sum is σ = 859219192832. Its totient is φ = 840317500800.

The previous prime is 849761228969. The next prime is 849761229059. The reversal of 849761228977 is 779822167948.

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 849761228977 - 2³ = 849761228969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849761228177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3438849 + ... + 3677662.

It is an arithmetic number, because the mean of its divisors is an integer number (107402399104).

Almost surely, 2^849761228977 is an apocalyptic number.

It is an amenable number.

849761228977 is a deficient number, since it is larger than the sum of its proper divisors (9457963855).

849761228977 is a wasteful number, since it uses less digits than its factorization.

849761228977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7117839.

The product of its digits is 170698752, while the sum is 70.

The spelling of 849761228977 in words is "eight hundred forty-nine billion, seven hundred sixty-one million, two hundred twenty-eight thousand, nine hundred seventy-seven".