76086643 has 4 divisors (see below), whose sum is σ = 76107808. Its totient is φ = 76065480.

The previous prime is 76086631. The next prime is 76086671. The reversal of 76086643 is 34668067.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 76086643 - 2¹⁷ = 75955571 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76086596 and 76086605.

It is not an unprimeable number, because it can be changed into a prime (76086683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3696 + ... + 12877.

It is an arithmetic number, because the mean of its divisors is an integer number (19026952).

Almost surely, 2^76086643 is an apocalyptic number.

76086643 is a deficient number, since it is larger than the sum of its proper divisors (21165).

76086643 is a wasteful number, since it uses less digits than its factorization.

76086643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21164.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 76086643 is about 8722.7657884412. The cubic root of 76086643 is about 423.7432641643.

It can be divided in two parts, 76086 and 643, that added together give a square (76729 = 277²).

The spelling of 76086643 in words is "seventy-six million, eighty-six thousand, six hundred forty-three".