87487305463 has 4 divisors (see below), whose sum is σ = 87548529640. Its totient is φ = 87426081288.

The previous prime is 87487305427. The next prime is 87487305491. The reversal of 87487305463 is 36450378478.

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

It is a cyclic number.

It is not a de Polignac number, because 87487305463 - 2²¹ = 87485208311 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 (87487305403) 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, 30609945 + ... + 30612802.

It is an arithmetic number, because the mean of its divisors is an integer number (21887132410).

Almost surely, 2^87487305463 is an apocalyptic number.

87487305463 is a deficient number, since it is larger than the sum of its proper divisors (61224177).

87487305463 is a wasteful number, since it uses less digits than its factorization.

87487305463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61224176.

The product of its (nonzero) digits is 13547520, while the sum is 55.

The spelling of 87487305463 in words is "eighty-seven billion, four hundred eighty-seven million, three hundred five thousand, four hundred sixty-three".