87255278 has 24 divisors (see below), whose sum is σ = 146598984. Its totient is φ = 38907440.

The previous prime is 87255269. The next prime is 87255281.

87255278 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×87255278² = 15226967077714568, which 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 11 ways as a sum of consecutive naturals, for example, 9425 + ... + 16227.

It is an arithmetic number, because the mean of its divisors is an integer number (6108291).

Almost surely, 2^87255278 is an apocalyptic number.

87255278 is a deficient number, since it is larger than the sum of its proper divisors (59343706).

87255278 is a wasteful number, since it uses less digits than its factorization.

87255278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6880 (or 6869 counting only the distinct ones).

The product of its digits is 313600, while the sum is 44.

The square root of 87255278 is about 9341.0533667248. The cubic root of 87255278 is about 443.5377293818.

The spelling of 87255278 in words is "eighty-seven million, two hundred fifty-five thousand, two hundred seventy-eight".