861167308 has 24 divisors (see below), whose sum is σ = 1529902080. Its totient is φ = 424079760.

The previous prime is 861167303. The next prime is 861167339. The reversal of 861167308 is 803761168.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (861167303) 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, 133035 + ... + 139357.

It is an arithmetic number, because the mean of its divisors is an integer number (63745920).

Almost surely, 2^861167308 is an apocalyptic number.

It is an amenable number.

861167308 is a deficient number, since it is larger than the sum of its proper divisors (668734772).

861167308 is a wasteful number, since it uses less digits than its factorization.

861167308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6837 (or 6835 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 861167308 is about 29345.6522844526. The cubic root of 861167308 is about 951.3986077079.

The spelling of 861167308 in words is "eight hundred sixty-one million, one hundred sixty-seven thousand, three hundred eight".