2087576258257 has 4 divisors (see below), whose sum is σ = 2385801438016. Its totient is φ = 1789351078500.

The previous prime is 2087576258249. The next prime is 2087576258269. The reversal of 2087576258257 is 7528526757802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2087576258257 - 2³ = 2087576258249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2087576258297) 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, 149112589869 + ... + 149112589882.

It is an arithmetic number, because the mean of its divisors is an integer number (596450359504).

Almost surely, 2^{2087576258257} is an apocalyptic number.

It is an amenable number.

2087576258257 is a deficient number, since it is larger than the sum of its proper divisors (298225179759).

2087576258257 is an equidigital number, since it uses as much as digits as its factorization.

2087576258257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298225179758.

The product of its (nonzero) digits is 131712000, while the sum is 64.

The spelling of 2087576258257 in words is "two trillion, eighty-seven billion, five hundred seventy-six million, two hundred fifty-eight thousand, two hundred fifty-seven".