397774795292 has 12 divisors (see below), whose sum is σ = 795549590640. Its totient is φ = 170474912256.

The previous prime is 397774795277. The next prime is 397774795321. The reversal of 397774795292 is 292597477793.

397774795292 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7103121317 + ... + 7103121372.

It is an arithmetic number, because the mean of its divisors is an integer number (66295799220).

Almost surely, 2^397774795292 is an apocalyptic number.

It is an amenable number.

397774795292 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

397774795292 is a wasteful number, since it uses less digits than its factorization.

397774795292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14206242700 (or 14206242698 counting only the distinct ones).

The product of its digits is 420078960, while the sum is 71.

The spelling of 397774795292 in words is "three hundred ninety-seven billion, seven hundred seventy-four million, seven hundred ninety-five thousand, two hundred ninety-two".