870084554 has 4 divisors (see below), whose sum is σ = 1305126834. Its totient is φ = 435042276.

The previous prime is 870084511. The next prime is 870084619. The reversal of 870084554 is 455480078.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 596678329 + 273406225 = 24427^2 + 16535^2 .

It is a super-2 number, since 2×870084554² = 1514094262218757832, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217521137 + ... + 217521140.

Almost surely, 2^870084554 is an apocalyptic number.

870084554 is a deficient number, since it is larger than the sum of its proper divisors (435042280).

870084554 is a wasteful number, since it uses less digits than its factorization.

870084554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435042279.

The product of its (nonzero) digits is 179200, while the sum is 41.

The square root of 870084554 is about 29497.1956972184. The cubic root of 870084554 is about 954.6711966213.

The spelling of 870084554 in words is "eight hundred seventy million, eighty-four thousand, five hundred fifty-four".