2587007978207 has 4 divisors (see below), whose sum is σ = 2619754914720. Its totient is φ = 2554261041696.

The previous prime is 2587007978183. The next prime is 2587007978237. The reversal of 2587007978207 is 7028797007852.

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 2587007978207 - 2³⁶ = 2518288501471 is a prime.

It is a super-2 number, since 2×2587007978207² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2587007978207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2587007978237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16373468138 + ... + 16373468295.

It is an arithmetic number, because the mean of its divisors is an integer number (654938728680).

Almost surely, 2^{2587007978207} is an apocalyptic number.

2587007978207 is a deficient number, since it is larger than the sum of its proper divisors (32746936513).

2587007978207 is an equidigital number, since it uses as much as digits as its factorization.

2587007978207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32746936512.

The product of its (nonzero) digits is 27659520, while the sum is 62.

The spelling of 2587007978207 in words is "two trillion, five hundred eighty-seven billion, seven million, nine hundred seventy-eight thousand, two hundred seven".