87003261443651 has 8 divisors (see below), whose sum is σ = 100191323975424. Its totient is φ = 74004955207560.

The previous prime is 87003261443647. The next prime is 87003261443663. The reversal of 87003261443651 is 15634416230078.

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 87003261443651 - 2² = 87003261443647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87003261443651.

It is not an unprimeable number, because it can be changed into a prime (87003261443611) 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, 47439072935 + ... + 47439074768.

It is an arithmetic number, because the mean of its divisors is an integer number (12523915496928).

Almost surely, 2^{87003261443651} is an apocalyptic number.

87003261443651 is a deficient number, since it is larger than the sum of its proper divisors (13188062531773).

87003261443651 is a wasteful number, since it uses less digits than its factorization.

87003261443651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94878147841.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 87003261443651 in words is "eighty-seven trillion, three billion, two hundred sixty-one million, four hundred forty-three thousand, six hundred fifty-one".