785872229945 has 16 divisors (see below), whose sum is σ = 1061964587520. Its totient is φ = 553106553600.

The previous prime is 785872229941. The next prime is 785872229951. The reversal of 785872229945 is 549922278587.

It is not a de Polignac number, because 785872229945 - 2² = 785872229941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (785872229941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230459360 + ... + 230462769.

It is an arithmetic number, because the mean of its divisors is an integer number (66372786720).

Almost surely, 2^785872229945 is an apocalyptic number.

It is an amenable number.

785872229945 is a deficient number, since it is larger than the sum of its proper divisors (276092357575).

785872229945 is a wasteful number, since it uses less digits than its factorization.

785872229945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460922176.

The product of its digits is 203212800, while the sum is 68.

The spelling of 785872229945 in words is "seven hundred eighty-five billion, eight hundred seventy-two million, two hundred twenty-nine thousand, nine hundred forty-five".