715986478 has 16 divisors (see below), whose sum is σ = 1114214400. Its totient is φ = 344698200.

The previous prime is 715986473. The next prime is 715986499. The reversal of 715986478 is 874689517.

715986478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715986473) 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, 16678 + ... + 41353.

It is an arithmetic number, because the mean of its divisors is an integer number (69638400).

Almost surely, 2^715986478 is an apocalyptic number.

715986478 is a deficient number, since it is larger than the sum of its proper divisors (398227922).

715986478 is a wasteful number, since it uses less digits than its factorization.

715986478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58263.

The product of its digits is 3386880, while the sum is 55.

The square root of 715986478 is about 26757.9236488932. The cubic root of 715986478 is about 894.6124547900.

The spelling of 715986478 in words is "seven hundred fifteen million, nine hundred eighty-six thousand, four hundred seventy-eight".