87545454578 has 8 divisors (see below), whose sum is σ = 131338247040. Its totient is φ = 43766038900.

The previous prime is 87545454559. The next prime is 87545454583.

87545454578 is nontrivially palindromic in base 10.

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

It is a super-2 number, since 2×87545454578² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87545454578.

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, 3327818 + ... + 3354021.

It is an arithmetic number, because the mean of its divisors is an integer number (16417280880).

Almost surely, 2^87545454578 is an apocalyptic number.

87545454578 is a deficient number, since it is larger than the sum of its proper divisors (43792792462).

87545454578 is a wasteful number, since it uses less digits than its factorization.

87545454578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6688392.

The product of its digits is 125440000, while the sum is 62.

The spelling of 87545454578 in words is "eighty-seven billion, five hundred forty-five million, four hundred fifty-four thousand, five hundred seventy-eight".