77009601 has 8 divisors (see below), whose sum is σ = 103051264. Its totient is φ = 51153840.

The previous prime is 77009579. The next prime is 77009623. The reversal of 77009601 is 10690077.

It is an interprime number because it is at equal distance from previous prime (77009579) and next prime (77009623).

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

It is not a de Polignac number, because 77009601 - 2⁹ = 77009089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77001601) 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 7 ways as a sum of consecutive naturals, for example, 45505 + ... + 47166.

It is an arithmetic number, because the mean of its divisors is an integer number (12881408).

Almost surely, 2^77009601 is an apocalyptic number.

It is an amenable number.

77009601 is a deficient number, since it is larger than the sum of its proper divisors (26041663).

77009601 is a wasteful number, since it uses less digits than its factorization.

77009601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92951.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 77009601 is about 8775.5114380872. The cubic root of 77009601 is about 425.4497679128.

Adding to 77009601 its reverse (10690077), we get a palindrome (87699678).

The spelling of 77009601 in words is "seventy-seven million, nine thousand, six hundred one".