87461930563 has 8 divisors (see below), whose sum is σ = 100093989632. Its totient is φ = 74864245896.

The previous prime is 87461930537. The next prime is 87461930573. The reversal of 87461930563 is 36503916478.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87461930563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87461930563.

It is not an unprimeable number, because it can be changed into a prime (87461930573) 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, 8588145 + ... + 8598322.

It is an arithmetic number, because the mean of its divisors is an integer number (12511748704).

Almost surely, 2^87461930563 is an apocalyptic number.

87461930563 is a deficient number, since it is larger than the sum of its proper divisors (12632059069).

87461930563 is a wasteful number, since it uses less digits than its factorization.

87461930563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17187201.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 87461930563 in words is "eighty-seven billion, four hundred sixty-one million, nine hundred thirty thousand, five hundred sixty-three".