849087278 has 16 divisors (see below), whose sum is σ = 1374028656. Its totient is φ = 391193280.

The previous prime is 849087277. The next prime is 849087293. The reversal of 849087278 is 872780948.

It is a happy number.

It is a super-2 number, since 2×849087278² = 1441898411322898568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849087277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13751 + ... + 43442.

It is an arithmetic number, because the mean of its divisors is an integer number (85876791).

Almost surely, 2^849087278 is an apocalyptic number.

849087278 is a deficient number, since it is larger than the sum of its proper divisors (524941378).

849087278 is a wasteful number, since it uses less digits than its factorization.

849087278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57779.

The product of its (nonzero) digits is 1806336, while the sum is 53.

The square root of 849087278 is about 29139.1022167808. The cubic root of 849087278 is about 946.9290598492.

The spelling of 849087278 in words is "eight hundred forty-nine million, eighty-seven thousand, two hundred seventy-eight".