76609813 has 8 divisors (see below), whose sum is σ = 88421760. Its totient is φ = 65014800.

The previous prime is 76609811. The next prime is 76609817. The reversal of 76609813 is 31890667.

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 76609813 - 2¹ = 76609811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76609811) 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, 53473 + ... + 54886.

It is an arithmetic number, because the mean of its divisors is an integer number (11052720).

Almost surely, 2^76609813 is an apocalyptic number.

It is an amenable number.

76609813 is a deficient number, since it is larger than the sum of its proper divisors (11811947).

76609813 is a wasteful number, since it uses less digits than its factorization.

76609813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108467.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 76609813 is about 8752.7031824460. The cubic root of 76609813 is about 424.7122629079.

The spelling of 76609813 in words is "seventy-six million, six hundred nine thousand, eight hundred thirteen".