76979547 has 6 divisors (see below), whose sum is σ = 111192692. Its totient is φ = 51319692.

The previous prime is 76979531. The next prime is 76979557. The reversal of 76979547 is 74597967.

It is a happy number.

76979547 is a `hidden beast` number, since 7 + 6 + 97 + 9 + 547 = 666.

It is not a de Polignac number, because 76979547 - 2⁴ = 76979531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76979493 and 76979502.

It is not an unprimeable number, because it can be changed into a prime (76979527) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4276633 + ... + 4276650.

Almost surely, 2^76979547 is an apocalyptic number.

76979547 is a deficient number, since it is larger than the sum of its proper divisors (34213145).

76979547 is a wasteful number, since it uses less digits than its factorization.

76979547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8553289 (or 8553286 counting only the distinct ones).

The product of its digits is 3333960, while the sum is 54.

The square root of 76979547 is about 8773.7988921561. The cubic root of 76979547 is about 425.3944149400.

The spelling of 76979547 in words is "seventy-six million, nine hundred seventy-nine thousand, five hundred forty-seven".