1478880986 has 16 divisors (see below), whose sum is σ = 2443951008. Its totient is φ = 665562000.

The previous prime is 1478880971. The next prime is 1478880989. The reversal of 1478880986 is 6890888741.

It is a super-3 number, since 3×1478880986³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1478880989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330560 + ... + 335003.

It is an arithmetic number, because the mean of its divisors is an integer number (152746938).

Almost surely, 2^1478880986 is an apocalyptic number.

1478880986 is a deficient number, since it is larger than the sum of its proper divisors (965070022).

1478880986 is a wasteful number, since it uses less digits than its factorization.

1478880986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665677.

The product of its (nonzero) digits is 6193152, while the sum is 59.

The square root of 1478880986 is about 38456.2216812833. The cubic root of 1478880986 is about 1139.3165560820.

The spelling of 1478880986 in words is "one billion, four hundred seventy-eight million, eight hundred eighty thousand, nine hundred eighty-six".