76983647 has 16 divisors (see below), whose sum is σ = 84869568. Its totient is φ = 69396480.

The previous prime is 76983629. The next prime is 76983659. The reversal of 76983647 is 74638967.

It is a cyclic number.

It is not a de Polignac number, because 76983647 - 2⁶ = 76983583 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76983595 and 76983604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76983677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152798 + ... + 153300.

It is an arithmetic number, because the mean of its divisors is an integer number (5304348).

Almost surely, 2^76983647 is an apocalyptic number.

76983647 is a deficient number, since it is larger than the sum of its proper divisors (7885921).

76983647 is a wasteful number, since it uses less digits than its factorization.

76983647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770.

The product of its digits is 1524096, while the sum is 50.

The square root of 76983647 is about 8774.0325392604. The cubic root of 76983647 is about 425.4019671025.

The spelling of 76983647 in words is "seventy-six million, nine hundred eighty-three thousand, six hundred forty-seven".