1067978652 has 24 divisors (see below), whose sum is σ = 2683639056. Its totient is φ = 328608768.

The previous prime is 1067978629. The next prime is 1067978669. The reversal of 1067978652 is 2568797601.

It is a super-2 number, since 2×1067978652² = 2281156802255474208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1067978595 and 1067978604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3422853 + ... + 3423164.

It is an arithmetic number, because the mean of its divisors is an integer number (111818294).

Almost surely, 2^1067978652 is an apocalyptic number.

1067978652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1067978652 is an abundant number, since it is smaller than the sum of its proper divisors (1615660404).

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

1067978652 is a wasteful number, since it uses less digits than its factorization.

1067978652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6846037 (or 6846035 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 51.

The square root of 1067978652 is about 32679.9426560084. The cubic root of 1067978652 is about 1022.1646493637.

The spelling of 1067978652 in words is "one billion, sixty-seven million, nine hundred seventy-eight thousand, six hundred fifty-two".