396720797170 has 32 divisors (see below), whose sum is σ = 740380248576. Its totient is φ = 152892796800.

The previous prime is 396720797149. The next prime is 396720797173. The reversal of 396720797170 is 71797027693.

It is not an unprimeable number, because it can be changed into a prime (396720797173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2748451 + ... + 2889190.

It is an arithmetic number, because the mean of its divisors is an integer number (23136882768).

Almost surely, 2^396720797170 is an apocalyptic number.

396720797170 is a deficient number, since it is larger than the sum of its proper divisors (343659451406).

396720797170 is a wasteful number, since it uses less digits than its factorization.

396720797170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5637906.

The product of its (nonzero) digits is 7001316, while the sum is 58.

The spelling of 396720797170 in words is "three hundred ninety-six billion, seven hundred twenty million, seven hundred ninety-seven thousand, one hundred seventy".