747846855 has 24 divisors (see below), whose sum is σ = 1481449632. Its totient is φ = 341872704.

The previous prime is 747846839. The next prime is 747846871. The reversal of 747846855 is 558648747.

It is an interprime number because it is at equal distance from previous prime (747846839) and next prime (747846871).

It is not a de Polignac number, because 747846855 - 2⁴ = 747846839 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1186744 + ... + 1187373.

It is an arithmetic number, because the mean of its divisors is an integer number (61727068).

Almost surely, 2^747846855 is an apocalyptic number.

747846855 is a deficient number, since it is larger than the sum of its proper divisors (733602777).

747846855 is a wasteful number, since it uses less digits than its factorization.

747846855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374135 (or 2374132 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 54.

The square root of 747846855 is about 27346.7887511496. The cubic root of 747846855 is about 907.6900132594.

The spelling of 747846855 in words is "seven hundred forty-seven million, eight hundred forty-six thousand, eight hundred fifty-five".