1687527013261 has 8 divisors (see below), whose sum is σ = 1763211697344. Its totient is φ = 1612035157920.

The previous prime is 1687527013259. The next prime is 1687527013301. The reversal of 1687527013261 is 1623107257861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1687527013261 - 2¹ = 1687527013259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1687527083261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48189291 + ... + 48224296.

It is an arithmetic number, because the mean of its divisors is an integer number (220401462168).

Almost surely, 2^{1687527013261} is an apocalyptic number.

It is an amenable number.

1687527013261 is a deficient number, since it is larger than the sum of its proper divisors (75684684083).

1687527013261 is an equidigital number, since it uses as much as digits as its factorization.

1687527013261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96414371.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 1687527013261 in words is "one trillion, six hundred eighty-seven billion, five hundred twenty-seven million, thirteen thousand, two hundred sixty-one".