87451215546 has 8 divisors (see below), whose sum is σ = 174902431104. Its totient is φ = 29150405180.

The previous prime is 87451215529. The next prime is 87451215571. The reversal of 87451215546 is 64551215478.

It is a happy number.

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

87451215546 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 87451215495 and 87451215504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7287601290 + ... + 7287601301.

It is an arithmetic number, because the mean of its divisors is an integer number (21862803888).

Almost surely, 2^87451215546 is an apocalyptic number.

87451215546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87451215546 is a wasteful number, since it uses less digits than its factorization.

87451215546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14575202596.

The product of its digits is 1344000, while the sum is 48.

The spelling of 87451215546 in words is "eighty-seven billion, four hundred fifty-one million, two hundred fifteen thousand, five hundred forty-six".