1078782046 has 4 divisors (see below), whose sum is σ = 1618173072. Its totient is φ = 539391022.

The previous prime is 1078782031. The next prime is 1078782053. The reversal of 1078782046 is 6402878701.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1078782046² = 2327541405543892232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1078781993 and 1078782011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269695510 + ... + 269695513.

It is an arithmetic number, because the mean of its divisors is an integer number (404543268).

Almost surely, 2^1078782046 is an apocalyptic number.

1078782046 is a deficient number, since it is larger than the sum of its proper divisors (539391026).

1078782046 is an equidigital number, since it uses as much as digits as its factorization.

1078782046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539391025.

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 1078782046 is about 32844.8176429707. The cubic root of 1078782046 is about 1025.5997429253.

The spelling of 1078782046 in words is "one billion, seventy-eight million, seven hundred eighty-two thousand, forty-six".