947796899 has 8 divisors (see below), whose sum is σ = 1083423840. Its totient is φ = 812226816.

The previous prime is 947796859. The next prime is 947796901. The reversal of 947796899 is 998697749.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 947796899 - 2²⁰ = 946748323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (947796859) 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, 31187 + ... + 53555.

It is an arithmetic number, because the mean of its divisors is an integer number (135427980).

Almost surely, 2^947796899 is an apocalyptic number.

947796899 is a deficient number, since it is larger than the sum of its proper divisors (135626941).

947796899 is a wasteful number, since it uses less digits than its factorization.

947796899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28429.

The product of its digits is 61725888, while the sum is 68.

The square root of 947796899 is about 30786.3102530979. The cubic root of 947796899 is about 982.2870709420.

The spelling of 947796899 in words is "nine hundred forty-seven million, seven hundred ninety-six thousand, eight hundred ninety-nine".