785622457142 has 4 divisors (see below), whose sum is σ = 1178433685716. Its totient is φ = 392811228570.

The previous prime is 785622457051. The next prime is 785622457231. The reversal of 785622457142 is 241754226587.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196405614284 + ... + 196405614287.

It is an arithmetic number, because the mean of its divisors is an integer number (294608421429).

Almost surely, 2^785622457142 is an apocalyptic number.

785622457142 is a deficient number, since it is larger than the sum of its proper divisors (392811228574).

785622457142 is a wasteful number, since it uses less digits than its factorization.

785622457142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392811228573.

The product of its digits is 7526400, while the sum is 53.

The spelling of 785622457142 in words is "seven hundred eighty-five billion, six hundred twenty-two million, four hundred fifty-seven thousand, one hundred forty-two".