1078575947 has 4 divisors (see below), whose sum is σ = 1079106960. Its totient is φ = 1078044936.

The previous prime is 1078575941. The next prime is 1078575977. The reversal of 1078575947 is 7495758701.

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

It is a cyclic number.

It is not a de Polignac number, because 1078575947 - 2¹⁰ = 1078574923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1078575941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262448 + ... + 266525.

It is an arithmetic number, because the mean of its divisors is an integer number (269776740).

Almost surely, 2^1078575947 is an apocalyptic number.

1078575947 is a deficient number, since it is larger than the sum of its proper divisors (531013).

1078575947 is an equidigital number, since it uses as much as digits as its factorization.

1078575947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531012.

The product of its (nonzero) digits is 2469600, while the sum is 53.

The square root of 1078575947 is about 32841.6800270632. The cubic root of 1078575947 is about 1025.5344258873.

The spelling of 1078575947 in words is "one billion, seventy-eight million, five hundred seventy-five thousand, nine hundred forty-seven".