78676583 has 6 divisors (see below), whose sum is σ = 82246584. Its totient is φ = 75255356.

The previous prime is 78676579. The next prime is 78676597. The reversal of 78676583 is 38567687.

It is not a de Polignac number, because 78676583 - 2² = 78676579 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78676523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73835 + ... + 74892.

It is an arithmetic number, because the mean of its divisors is an integer number (13707764).

Almost surely, 2^78676583 is an apocalyptic number.

78676583 is a deficient number, since it is larger than the sum of its proper divisors (3570001).

78676583 is a wasteful number, since it uses less digits than its factorization.

78676583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148773 (or 148750 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 50.

The square root of 78676583 is about 8869.9821307599. The cubic root of 78676583 is about 428.4977014391.

The spelling of 78676583 in words is "seventy-eight million, six hundred seventy-six thousand, five hundred eighty-three".