870983278 has 8 divisors (see below), whose sum is σ = 1425245400. Its totient is φ = 395901480.

The previous prime is 870983263. The next prime is 870983279. The reversal of 870983278 is 872389078.

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

It is a super-2 number, since 2×870983278² = 1517223741111250568, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870983279) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 19795053 + ... + 19795096.

It is an arithmetic number, because the mean of its divisors is an integer number (178155675).

Almost surely, 2^870983278 is an apocalyptic number.

870983278 is a deficient number, since it is larger than the sum of its proper divisors (554262122).

870983278 is a wasteful number, since it uses less digits than its factorization.

870983278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39590162.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The square root of 870983278 is about 29512.4258237103. The cubic root of 870983278 is about 954.9997818042. Note that the first 3 decimals are identical.

The spelling of 870983278 in words is "eight hundred seventy million, nine hundred eighty-three thousand, two hundred seventy-eight".