77050605005015 has 4 divisors (see below), whose sum is σ = 92460726006024. Its totient is φ = 61640484004008.

The previous prime is 77050605005009. The next prime is 77050605005051. The reversal of 77050605005015 is 51050050605077.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 77050605005015 - 2²⁰ = 77050603956439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7705060500497 + ... + 7705060500506.

It is an arithmetic number, because the mean of its divisors is an integer number (23115181501506).

Almost surely, 2^{77050605005015} is an apocalyptic number.

77050605005015 is a deficient number, since it is larger than the sum of its proper divisors (15410121001009).

77050605005015 is a wasteful number, since it uses less digits than its factorization.

77050605005015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15410121001008.

The product of its (nonzero) digits is 183750, while the sum is 41.

The spelling of 77050605005015 in words is "seventy-seven trillion, fifty billion, six hundred five million, five thousand, fifteen".