87487443086 has 4 divisors (see below), whose sum is σ = 131231164632. Its totient is φ = 43743721542.

The previous prime is 87487443061. The next prime is 87487443089. The reversal of 87487443086 is 68034478478.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87487443089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21871860770 + ... + 21871860773.

It is an arithmetic number, because the mean of its divisors is an integer number (32807791158).

Almost surely, 2^87487443086 is an apocalyptic number.

87487443086 is a deficient number, since it is larger than the sum of its proper divisors (43743721546).

87487443086 is a wasteful number, since it uses less digits than its factorization.

87487443086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43743721545.

The product of its (nonzero) digits is 28901376, while the sum is 59.

The spelling of 87487443086 in words is "eighty-seven billion, four hundred eighty-seven million, four hundred forty-three thousand, eighty-six".