397333578602 has 4 divisors (see below), whose sum is σ = 596000367906. Its totient is φ = 198666789300.

The previous prime is 397333578557. The next prime is 397333578623. The reversal of 397333578602 is 206875333793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 206875333793 = 8287 ⋅24963839.

It can be written as a sum of positive squares in only one way, i.e., 388701124681 + 8632453921 = 623459^2 + 92911^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99333394649 + ... + 99333394652.

Almost surely, 2^397333578602 is an apocalyptic number.

397333578602 is a deficient number, since it is larger than the sum of its proper divisors (198666789304).

397333578602 is a wasteful number, since it uses less digits than its factorization.

397333578602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198666789303.

The product of its (nonzero) digits is 17146080, while the sum is 56.

The spelling of 397333578602 in words is "three hundred ninety-seven billion, three hundred thirty-three million, five hundred seventy-eight thousand, six hundred two".