848597721 has 8 divisors (see below), whose sum is σ = 1198020384. Its totient is φ = 532453440.

The previous prime is 848597713. The next prime is 848597731. The reversal of 848597721 is 127795848.

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

It is not a de Polignac number, because 848597721 - 2³ = 848597713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 16639171 = 848597721 / (8 + 4 + 8 + 5 + 9 + 7 + 7 + 2 + 1).

It is not an unprimeable number, because it can be changed into a prime (848597731) 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, 8319535 + ... + 8319636.

It is an arithmetic number, because the mean of its divisors is an integer number (149752548).

Almost surely, 2^848597721 is an apocalyptic number.

It is an amenable number.

848597721 is a deficient number, since it is larger than the sum of its proper divisors (349422663).

848597721 is a wasteful number, since it uses less digits than its factorization.

848597721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16639191.

The product of its digits is 1128960, while the sum is 51.

The square root of 848597721 is about 29130.7006609865. The cubic root of 848597721 is about 946.7470350309.

The spelling of 848597721 in words is "eight hundred forty-eight million, five hundred ninety-seven thousand, seven hundred twenty-one".