2351887678587 has 4 divisors (see below), whose sum is σ = 3135850238120. Its totient is φ = 1567925119056.

The previous prime is 2351887678577. The next prime is 2351887678603. The reversal of 2351887678587 is 7858767881532.

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

It is not a de Polignac number, because 2351887678587 - 2⁶ = 2351887678523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2351887678577) 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, 391981279762 + ... + 391981279767.

It is an arithmetic number, because the mean of its divisors is an integer number (783962559530).

Almost surely, 2^{2351887678587} is an apocalyptic number.

2351887678587 is a deficient number, since it is larger than the sum of its proper divisors (783962559533).

2351887678587 is an equidigital number, since it uses as much as digits as its factorization.

2351887678587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783962559532.

The product of its digits is 1264435200, while the sum is 75.

The spelling of 2351887678587 in words is "two trillion, three hundred fifty-one billion, eight hundred eighty-seven million, six hundred seventy-eight thousand, five hundred eighty-seven".