333872247397 has 4 divisors (see below), whose sum is σ = 359554727980. Its totient is φ = 308189766816.

The previous prime is 333872247389. The next prime is 333872247419. The reversal of 333872247397 is 793742278333.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 225937658241 + 107934589156 = 475329^2 + 328534^2 .

It is a cyclic number.

It is not a de Polignac number, because 333872247397 - 2³ = 333872247389 is a prime.

It is a super-2 number, since 2×333872247397² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (333872247377) 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, 12841240272 + ... + 12841240297.

It is an arithmetic number, because the mean of its divisors is an integer number (89888681995).

Almost surely, 2^333872247397 is an apocalyptic number.

It is an amenable number.

333872247397 is a deficient number, since it is larger than the sum of its proper divisors (25682480583).

333872247397 is a wasteful number, since it uses less digits than its factorization.

333872247397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25682480582.

The product of its digits is 32006016, while the sum is 58.

The spelling of 333872247397 in words is "three hundred thirty-three billion, eight hundred seventy-two million, two hundred forty-seven thousand, three hundred ninety-seven".