1078780629 has 8 divisors (see below), whose sum is σ = 1456581760. Its totient is φ = 710083296.

The previous prime is 1078780609. The next prime is 1078780649. The reversal of 1078780629 is 9260878701.

It is an interprime number because it is at equal distance from previous prime (1078780609) and next prime (1078780649).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1078780629 - 2⁵ = 1078780597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078780609) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 2275672 + ... + 2276145.

It is an arithmetic number, because the mean of its divisors is an integer number (182072720).

Almost surely, 2^1078780629 is an apocalyptic number.

It is an amenable number.

1078780629 is a deficient number, since it is larger than the sum of its proper divisors (377801131).

1078780629 is an equidigital number, since it uses as much as digits as its factorization.

1078780629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4551899.

The product of its (nonzero) digits is 338688, while the sum is 48.

The square root of 1078780629 is about 32844.7960718285. The cubic root of 1078780629 is about 1025.5992938771.

The spelling of 1078780629 in words is "one billion, seventy-eight million, seven hundred eighty thousand, six hundred twenty-nine".