397140931324798 has 8 divisors (see below), whose sum is σ = 611811705013992. Its totient is φ = 193203696320136.

The previous prime is 397140931324777. The next prime is 397140931324799. The reversal of 397140931324798 is 897423139041793.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397140931324799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2683384671040 + ... + 2683384671187.

It is an arithmetic number, because the mean of its divisors is an integer number (76476463126749).

Almost surely, 2^{397140931324798} is an apocalyptic number.

397140931324798 is a deficient number, since it is larger than the sum of its proper divisors (214670773689194).

397140931324798 is a wasteful number, since it uses less digits than its factorization.

397140931324798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5366769342266.

The product of its (nonzero) digits is 246903552, while the sum is 70.

The spelling of 397140931324798 in words is "three hundred ninety-seven trillion, one hundred forty billion, nine hundred thirty-one million, three hundred twenty-four thousand, seven hundred ninety-eight".