1078689952 has 12 divisors (see below), whose sum is σ = 2123670906. Its totient is φ = 539344960.

The previous prime is 1078689947. The next prime is 1078690013. The reversal of 1078689952 is 2599868701.

It can be written as a sum of positive squares in only one way, i.e., 1042256656 + 36433296 = 32284^2 + 6036^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1078689893 and 1078689902.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16854499 + ... + 16854562.

Almost surely, 2^1078689952 is an apocalyptic number.

It is an amenable number.

1078689952 is a deficient number, since it is larger than the sum of its proper divisors (1044980954).

1078689952 is an equidigital number, since it uses as much as digits as its factorization.

1078689952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33709071 (or 33709063 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 55.

The square root of 1078689952 is about 32843.4156567188. The cubic root of 1078689952 is about 1025.5705574592.

The spelling of 1078689952 in words is "one billion, seventy-eight million, six hundred eighty-nine thousand, nine hundred fifty-two".