87442024478 has 8 divisors (see below), whose sum is σ = 131264796240. Its totient is φ = 43687092400.

The previous prime is 87442024469. The next prime is 87442024489.

87442024478 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 2×87442024478² (a number of 23 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 3 ways as a sum of consecutive naturals, for example, 16956698 + ... + 16961853.

It is an arithmetic number, because the mean of its divisors is an integer number (16408099530).

Almost surely, 2^87442024478 is an apocalyptic number.

87442024478 is a deficient number, since it is larger than the sum of its proper divisors (43822771762).

87442024478 is a wasteful number, since it uses less digits than its factorization.

87442024478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33919842.

The product of its (nonzero) digits is 3211264, while the sum is 50.

It can be divided in two parts, 874420 and 24478, that added together give a palindrome (898898).

The spelling of 87442024478 in words is "eighty-seven billion, four hundred forty-two million, twenty-four thousand, four hundred seventy-eight".