1560739478 has 4 divisors (see below), whose sum is σ = 2341109220. Its totient is φ = 780369738.

The previous prime is 1560739471. The next prime is 1560739529. The reversal of 1560739478 is 8749370651.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1560739471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390184868 + ... + 390184871.

It is an arithmetic number, because the mean of its divisors is an integer number (585277305).

Almost surely, 2^1560739478 is an apocalyptic number.

1560739478 is a deficient number, since it is larger than the sum of its proper divisors (780369742).

1560739478 is an equidigital number, since it uses as much as digits as its factorization.

1560739478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780369741.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The square root of 1560739478 is about 39506.1954381841. The cubic root of 1560739478 is about 1159.9612249227.

The spelling of 1560739478 in words is "one billion, five hundred sixty million, seven hundred thirty-nine thousand, four hundred seventy-eight".