1986076568 has 32 divisors (see below), whose sum is σ = 4258479360. Its totient is φ = 850655520.

The previous prime is 1986076567. The next prime is 1986076633. The reversal of 1986076568 is 8656706891.

It is a happy number.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1986076567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89903 + ... + 109793.

It is an arithmetic number, because the mean of its divisors is an integer number (133077480).

Almost surely, 2^1986076568 is an apocalyptic number.

It is an amenable number.

1986076568 is an abundant number, since it is smaller than the sum of its proper divisors (2272402792).

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

1986076568 is a wasteful number, since it uses less digits than its factorization.

1986076568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21687 (or 21683 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 56.

The square root of 1986076568 is about 44565.4189703182. The cubic root of 1986076568 is about 1256.9905012777.

The spelling of 1986076568 in words is "one billion, nine hundred eighty-six million, seventy-six thousand, five hundred sixty-eight".