867012678 has 48 divisors (see below), whose sum is σ = 2176321056. Its totient is φ = 244321920.

The previous prime is 867012677. The next prime is 867012721. The reversal of 867012678 is 876210768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867012677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37933 + ... + 56328.

It is an arithmetic number, because the mean of its divisors is an integer number (45340022).

Almost surely, 2^867012678 is an apocalyptic number.

867012678 is an abundant number, since it is smaller than the sum of its proper divisors (1309308378).

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

867012678 is a wasteful number, since it uses less digits than its factorization.

867012678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94349 (or 94346 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 867012678 is about 29445.0790116108. The cubic root of 867012678 is about 953.5463674022.

The spelling of 867012678 in words is "eight hundred sixty-seven million, twelve thousand, six hundred seventy-eight".