87671261422718 has 16 divisors (see below), whose sum is σ = 131613797494800. Its totient is φ = 43800005059776.

The previous prime is 87671261422651. The next prime is 87671261422781. The reversal of 87671261422718 is 81722416217678.

It is a super-2 number, since 2×87671261422718² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16184330 + ... + 20911122.

It is an arithmetic number, because the mean of its divisors is an integer number (8225862343425).

Almost surely, 2^{87671261422718} is an apocalyptic number.

87671261422718 is a deficient number, since it is larger than the sum of its proper divisors (43942536072082).

87671261422718 is a wasteful number, since it uses less digits than its factorization.

87671261422718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4734331.

The product of its digits is 25288704, while the sum is 62.

The spelling of 87671261422718 in words is "eighty-seven trillion, six hundred seventy-one billion, two hundred sixty-one million, four hundred twenty-two thousand, seven hundred eighteen".