12587673777 has 32 divisors (see below), whose sum is σ = 19688832000. Its totient is φ = 7004883648.

The previous prime is 12587673767. The next prime is 12587673811. The reversal of 12587673777 is 77737678521.

It is not a de Polignac number, because 12587673777 - 2⁸ = 12587673521 is a prime.

It is a super-2 number, since 2×12587673777² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12587673777.

It is not an unprimeable number, because it can be changed into a prime (12587673767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85099 + ... + 180047.

It is an arithmetic number, because the mean of its divisors is an integer number (615276000).

Almost surely, 2^12587673777 is an apocalyptic number.

It is an amenable number.

12587673777 is a deficient number, since it is larger than the sum of its proper divisors (7101158223).

12587673777 is a wasteful number, since it uses less digits than its factorization.

12587673777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95125.

The product of its digits is 24202080, while the sum is 60.

The spelling of 12587673777 in words is "twelve billion, five hundred eighty-seven million, six hundred seventy-three thousand, seven hundred seventy-seven".