861315082 has 16 divisors (see below), whose sum is σ = 1333203552. Its totient is φ = 417024720.

The previous prime is 861315071. The next prime is 861315097. The reversal of 861315082 is 280513168.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11968 + ... + 43195.

It is an arithmetic number, because the mean of its divisors is an integer number (83325222).

Almost surely, 2^861315082 is an apocalyptic number.

861315082 is a deficient number, since it is larger than the sum of its proper divisors (471888470).

861315082 is a wasteful number, since it uses less digits than its factorization.

861315082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55413.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 861315082 is about 29348.1699940558. The cubic root of 861315082 is about 951.4530237451.

The spelling of 861315082 in words is "eight hundred sixty-one million, three hundred fifteen thousand, eighty-two".