1084280978 has 32 divisors (see below), whose sum is σ = 1909484928. Its totient is φ = 456249600.

The previous prime is 1084280947. The next prime is 1084280993. The reversal of 1084280978 is 8790824801.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 950 + ... + 46577.

It is an arithmetic number, because the mean of its divisors is an integer number (59671404).

Almost surely, 2^1084280978 is an apocalyptic number.

1084280978 is a deficient number, since it is larger than the sum of its proper divisors (825203950).

1084280978 is a wasteful number, since it uses less digits than its factorization.

1084280978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47618.

The product of its (nonzero) digits is 258048, while the sum is 47.

The square root of 1084280978 is about 32928.4220393265. The cubic root of 1084280978 is about 1027.3394047328.

The spelling of 1084280978 in words is "one billion, eighty-four million, two hundred eighty thousand, nine hundred seventy-eight".