76986547 has 8 divisors (see below), whose sum is σ = 86694912. Its totient is φ = 67729800.

The previous prime is 76986541. The next prime is 76986571. The reversal of 76986547 is 74568967.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76986547 - 2¹⁹ = 76462259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76986494 and 76986503.

It is not an unprimeable number, because it can be changed into a prime (76986541) 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, 112543 + ... + 113224.

It is an arithmetic number, because the mean of its divisors is an integer number (10836864).

Almost surely, 2^76986547 is an apocalyptic number.

76986547 is a deficient number, since it is larger than the sum of its proper divisors (9708365).

76986547 is a wasteful number, since it uses less digits than its factorization.

76986547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225809.

The product of its digits is 2540160, while the sum is 52.

The square root of 76986547 is about 8774.1977980896. The cubic root of 76986547 is about 425.4073087141.

The spelling of 76986547 in words is "seventy-six million, nine hundred eighty-six thousand, five hundred forty-seven".