87023032078 has 16 divisors (see below), whose sum is σ = 134918058240. Its totient is φ = 42072654136.

The previous prime is 87023032021. The next prime is 87023032087.

87023032078 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×87023032078² (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 87023032078.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 5569168 + ... + 5584771.

It is an arithmetic number, because the mean of its divisors is an integer number (8432378640).

Almost surely, 2^87023032078 is an apocalyptic number.

87023032078 is a deficient number, since it is larger than the sum of its proper divisors (47895026162).

87023032078 is a wasteful number, since it uses less digits than its factorization.

87023032078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11154071.

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 87023032078 in words is "eighty-seven billion, twenty-three million, thirty-two thousand, seventy-eight".