747986655 has 32 divisors (see below), whose sum is σ = 1364658624. Its totient is φ = 346576896.

The previous prime is 747986597. The next prime is 747986669. The reversal of 747986655 is 556689747.

It is not a de Polignac number, because 747986655 - 2⁸ = 747986399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 747986595 and 747986604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109504 + ... + 116133.

It is an arithmetic number, because the mean of its divisors is an integer number (42645582).

Almost surely, 2^747986655 is an apocalyptic number.

747986655 is a deficient number, since it is larger than the sum of its proper divisors (616671969).

747986655 is a wasteful number, since it uses less digits than its factorization.

747986655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225675.

The product of its digits is 12700800, while the sum is 57.

The square root of 747986655 is about 27349.3446905040. The cubic root of 747986655 is about 907.7465699179.

The spelling of 747986655 in words is "seven hundred forty-seven million, nine hundred eighty-six thousand, six hundred fifty-five".