1078470778 has 16 divisors (see below), whose sum is σ = 2016880704. Its totient is φ = 420183360.

The previous prime is 1078470739. The next prime is 1078470779. The reversal of 1078470778 is 8770748701.

It is not an unprimeable number, because it can be changed into a prime (1078470779) 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, 3501375 + ... + 3501682.

It is an arithmetic number, because the mean of its divisors is an integer number (126055044).

Almost surely, 2^1078470778 is an apocalyptic number.

1078470778 is a deficient number, since it is larger than the sum of its proper divisors (938409926).

1078470778 is a wasteful number, since it uses less digits than its factorization.

1078470778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7003077.

The product of its (nonzero) digits is 614656, while the sum is 49.

The square root of 1078470778 is about 32840.0788366898. The cubic root of 1078470778 is about 1025.5010924485.

The spelling of 1078470778 in words is "one billion, seventy-eight million, four hundred seventy thousand, seven hundred seventy-eight".