77606417 has 8 divisors (see below), whose sum is σ = 90196800. Its totient is φ = 65391984.

The previous prime is 77606387. The next prime is 77606429. The reversal of 77606417 is 71460677.

It is a happy number.

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

It is not a de Polignac number, because 77606417 - 2¹² = 77602321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77606437) 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, 93542 + ... + 94367.

It is an arithmetic number, because the mean of its divisors is an integer number (11274600).

Almost surely, 2^77606417 is an apocalyptic number.

It is an amenable number.

77606417 is a deficient number, since it is larger than the sum of its proper divisors (12590383).

77606417 is a wasteful number, since it uses less digits than its factorization.

77606417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187975.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 77606417 is about 8809.4504368888. The cubic root of 77606417 is about 426.5460039518.

The spelling of 77606417 in words is "seventy-seven million, six hundred six thousand, four hundred seventeen".