397025806792 has 16 divisors (see below), whose sum is σ = 745152515100. Its totient is φ = 198318469440.

The previous prime is 397025806789. The next prime is 397025806799. The reversal of 397025806792 is 297608520793.

It can be written as a sum of positive squares in 2 ways, for example, as 333776574756 + 63249232036 = 577734^2 + 251494^2 .

It is not an unprimeable number, because it can be changed into a prime (397025806799) 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, 24295567 + ... + 24311902.

Almost surely, 2^397025806792 is an apocalyptic number.

It is an amenable number.

397025806792 is a deficient number, since it is larger than the sum of its proper divisors (348126708308).

397025806792 is a wasteful number, since it uses less digits than its factorization.

397025806792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48608496 (or 48608492 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 58.

The spelling of 397025806792 in words is "three hundred ninety-seven billion, twenty-five million, eight hundred six thousand, seven hundred ninety-two".