847072899 has 12 divisors (see below), whose sum is σ = 1234776400. Its totient is φ = 559533744.

The previous prime is 847072879. The next prime is 847072903. The reversal of 847072899 is 998270748.

It is not a de Polignac number, because 847072899 - 2¹⁷ = 846941827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (847072879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 430759 + ... + 432720.

Almost surely, 2^847072899 is an apocalyptic number.

847072899 is a deficient number, since it is larger than the sum of its proper divisors (387703501).

847072899 is a wasteful number, since it uses less digits than its factorization.

847072899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863594 (or 863591 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 847072899 is about 29104.5168144053. The cubic root of 847072899 is about 946.1796337745.

The spelling of 847072899 in words is "eight hundred forty-seven million, seventy-two thousand, eight hundred ninety-nine".