87200278 has 8 divisors (see below), whose sum is σ = 142691400. Its totient is φ = 39636480.

The previous prime is 87200263. The next prime is 87200297.

87200278 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1981803 + ... + 1981846.

It is an arithmetic number, because the mean of its divisors is an integer number (17836425).

Almost surely, 2^87200278 is an apocalyptic number.

87200278 is a deficient number, since it is larger than the sum of its proper divisors (55491122).

87200278 is a wasteful number, since it uses less digits than its factorization.

87200278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3963662.

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 87200278 is about 9338.1089091957. The cubic root of 87200278 is about 443.4445174369. Note that the first 3 decimals are identical.

It can be divided in two parts, 87200 and 278, that added together give a palindrome (87478).

The spelling of 87200278 in words is "eighty-seven million, two hundred thousand, two hundred seventy-eight".