2587007978269 has 16 divisors (see below), whose sum is σ = 3039487012800. Its totient is φ = 2170769420160.

The previous prime is 2587007978257. The next prime is 2587007978311. The reversal of 2587007978269 is 9628797007852.

It is not a de Polignac number, because 2587007978269 - 2⁵ = 2587007978237 is a prime.

It is a super-2 number, since 2×2587007978269² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2587007978198 and 2587007978207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2587007978669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1545082 + ... + 2749780.

It is an arithmetic number, because the mean of its divisors is an integer number (189967938300).

Almost surely, 2^{2587007978269} is an apocalyptic number.

It is an amenable number.

2587007978269 is a deficient number, since it is larger than the sum of its proper divisors (452479034531).

2587007978269 is a wasteful number, since it uses less digits than its factorization.

2587007978269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219740.

The product of its (nonzero) digits is 213373440, while the sum is 70.

The spelling of 2587007978269 in words is "two trillion, five hundred eighty-seven billion, seven million, nine hundred seventy-eight thousand, two hundred sixty-nine".