77289040319 has 8 divisors (see below), whose sum is σ = 79953090048. Its totient is φ = 74635669080.

The previous prime is 77289040291. The next prime is 77289040379. The reversal of 77289040319 is 91304098277.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77289040319 is a prime.

It is a super-2 number, since 2×77289040319² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77289040379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2654897 + ... + 2683850.

It is an arithmetic number, because the mean of its divisors is an integer number (9994136256).

Almost surely, 2^77289040319 is an apocalyptic number.

77289040319 is a deficient number, since it is larger than the sum of its proper divisors (2664049729).

77289040319 is a wasteful number, since it uses less digits than its factorization.

77289040319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5339245.

The product of its (nonzero) digits is 762048, while the sum is 50.

The spelling of 77289040319 in words is "seventy-seven billion, two hundred eighty-nine million, forty thousand, three hundred nineteen".