85398202947 has 8 divisors (see below), whose sum is σ = 113918166544. Its totient is φ = 56905187328.

The previous prime is 85398202931. The next prime is 85398202957. The reversal of 85398202947 is 74920289358.

It is a happy number.

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

It is not a de Polignac number, because 85398202947 - 2⁴ = 85398202931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85398202957) 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, 6729598 + ... + 6742275.

It is an arithmetic number, because the mean of its divisors is an integer number (14239770818).

Almost surely, 2^85398202947 is an apocalyptic number.

85398202947 is a deficient number, since it is larger than the sum of its proper divisors (28519963597).

85398202947 is a wasteful number, since it uses less digits than its factorization.

85398202947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13473989.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 85398202947 in words is "eighty-five billion, three hundred ninety-eight million, two hundred two thousand, nine hundred forty-seven".