867864148 has 6 divisors (see below), whose sum is σ = 1518762266. Its totient is φ = 433932072.

The previous prime is 867864143. The next prime is 867864167. The reversal of 867864148 is 841468768.

It can be written as a sum of positive squares in only one way, i.e., 721889424 + 145974724 = 26868^2 + 12082^2 .

It is a junction number, because it is equal to n+sod(n) for n = 867864095 and 867864104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867864143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108483015 + ... + 108483022.

Almost surely, 2^867864148 is an apocalyptic number.

It is an amenable number.

867864148 is a deficient number, since it is larger than the sum of its proper divisors (650898118).

867864148 is a wasteful number, since it uses less digits than its factorization.

867864148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216966041 (or 216966039 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 52.

The square root of 867864148 is about 29459.5340764242. The cubic root of 867864148 is about 953.8584160815.

The spelling of 867864148 in words is "eight hundred sixty-seven million, eight hundred sixty-four thousand, one hundred forty-eight".