87550813027759 has 4 divisors (see below), whose sum is σ = 90375032802880. Its totient is φ = 84726593252640.

The previous prime is 87550813027729. The next prime is 87550813027789. The reversal of 87550813027759 is 95772031805578.

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

It is an interprime number because it is at equal distance from previous prime (87550813027729) and next prime (87550813027789).

It is a cyclic number.

It is not a de Polignac number, because 87550813027759 - 2²⁵ = 87550779473327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87550813027694 and 87550813027703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87550813027729) 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, 1412109887514 + ... + 1412109887575.

It is an arithmetic number, because the mean of its divisors is an integer number (22593758200720).

Almost surely, 2^{87550813027759} is an apocalyptic number.

87550813027759 is a deficient number, since it is larger than the sum of its proper divisors (2824219775121).

87550813027759 is a wasteful number, since it uses less digits than its factorization.

87550813027759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824219775120.

The product of its (nonzero) digits is 148176000, while the sum is 67.

The spelling of 87550813027759 in words is "eighty-seven trillion, five hundred fifty billion, eight hundred thirteen million, twenty-seven thousand, seven hundred fifty-nine".