836878460 has 48 divisors (see below), whose sum is σ = 2000581632. Its totient is φ = 291086400.

The previous prime is 836878457. The next prime is 836878487. The reversal of 836878460 is 64878638.

It is a happy number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 836878399 and 836878408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77636 + ... + 87755.

It is an arithmetic number, because the mean of its divisors is an integer number (41678784).

Almost surely, 2^836878460 is an apocalyptic number.

It is an amenable number.

836878460 is an abundant number, since it is smaller than the sum of its proper divisors (1163703172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

836878460 is a wasteful number, since it uses less digits than its factorization.

836878460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165434 (or 165432 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 50.

The square root of 836878460 is about 28928.8516882368. The cubic root of 836878460 is about 942.3685778098.

The spelling of 836878460 in words is "eight hundred thirty-six million, eight hundred seventy-eight thousand, four hundred sixty".