1578084968 has 8 divisors (see below), whose sum is σ = 2958909330. Its totient is φ = 789042480.

The previous prime is 1578084929. The next prime is 1578084983. The reversal of 1578084968 is 8694808751.

It can be written as a sum of positive squares in only one way, i.e., 1134477124 + 443607844 = 33682^2 + 21062^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1578084968² = 4980704332455122048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98630303 + ... + 98630318.

Almost surely, 2^1578084968 is an apocalyptic number.

It is an amenable number.

1578084968 is a deficient number, since it is larger than the sum of its proper divisors (1380824362).

1578084968 is a wasteful number, since it uses less digits than its factorization.

1578084968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197260627 (or 197260623 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 56.

The square root of 1578084968 is about 39725.1175957983. The cubic root of 1578084968 is about 1164.2425324107.

The spelling of 1578084968 in words is "one billion, five hundred seventy-eight million, eighty-four thousand, nine hundred sixty-eight".