397302276387 has 8 divisors (see below), whose sum is σ = 533907521536. Its totient is φ = 262782607752.

The previous prime is 397302276377. The next prime is 397302276407. The reversal of 397302276387 is 783672203793.

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

It is not a de Polignac number, because 397302276387 - 2⁶ = 397302276323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397302276377) 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, 521393683 + ... + 521394444.

It is an arithmetic number, because the mean of its divisors is an integer number (66738440192).

Almost surely, 2^397302276387 is an apocalyptic number.

397302276387 is a deficient number, since it is larger than the sum of its proper divisors (136605245149).

397302276387 is a wasteful number, since it uses less digits than its factorization.

397302276387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042788257.

The product of its (nonzero) digits is 16003008, while the sum is 57.

The spelling of 397302276387 in words is "three hundred ninety-seven billion, three hundred two million, two hundred seventy-six thousand, three hundred eighty-seven".