1065567078 has 24 divisors (see below), whose sum is σ = 2309835528. Its totient is φ = 355018752.

The previous prime is 1065567071. The next prime is 1065567109. The reversal of 1065567078 is 8707655601.

1065567078 is a `hidden beast` number, since 10 + 6 + 5 + 567 + 0 + 78 = 666.

It is a super-2 number, since 2×1065567078² = 2270866395434916168, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065567071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27750 + ... + 53862.

It is an arithmetic number, because the mean of its divisors is an integer number (96243147).

Almost surely, 2^1065567078 is an apocalyptic number.

1065567078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1065567078 is an abundant number, since it is smaller than the sum of its proper divisors (1244268450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1065567078 is a wasteful number, since it uses less digits than its factorization.

1065567078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28388 (or 28385 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 1065567078 is about 32643.0249517412. The cubic root of 1065567078 is about 1021.3946953260.

The spelling of 1065567078 in words is "one billion, sixty-five million, five hundred sixty-seven thousand, seventy-eight".