87478270087 has 4 divisors (see below), whose sum is σ = 94207367800. Its totient is φ = 80749172376.

The previous prime is 87478270043. The next prime is 87478270093. The reversal of 87478270087 is 78007287478.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78007287478 = 2 ⋅39003643739.

It is a cyclic number.

It is not a de Polignac number, because 87478270087 - 2¹¹ = 87478268039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87478220087) 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, 3364548837 + ... + 3364548862.

It is an arithmetic number, because the mean of its divisors is an integer number (23551841950).

Almost surely, 2^87478270087 is an apocalyptic number.

87478270087 is a deficient number, since it is larger than the sum of its proper divisors (6729097713).

87478270087 is a wasteful number, since it uses less digits than its factorization.

87478270087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6729097712.

The product of its (nonzero) digits is 9834496, while the sum is 58.

The spelling of 87478270087 in words is "eighty-seven billion, four hundred seventy-eight million, two hundred seventy thousand, eighty-seven".