396433588787 has 4 divisors (see below), whose sum is σ = 396444978600. Its totient is φ = 396422198976.

The previous prime is 396433588763. The next prime is 396433588853. The reversal of 396433588787 is 787885334693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 787885334693 = 29 ⋅27168459817.

It is a cyclic number.

It is not a de Polignac number, because 396433588787 - 2⁸ = 396433588531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 396433588787.

It is not an unprimeable number, because it can be changed into a prime (396433588757) 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, 5642537 + ... + 5712362.

It is an arithmetic number, because the mean of its divisors is an integer number (99111244650).

Almost surely, 2^396433588787 is an apocalyptic number.

396433588787 is a deficient number, since it is larger than the sum of its proper divisors (11389813).

396433588787 is a wasteful number, since it uses less digits than its factorization.

396433588787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11389812.

The product of its digits is 731566080, while the sum is 71.

The spelling of 396433588787 in words is "three hundred ninety-six billion, four hundred thirty-three million, five hundred eighty-eight thousand, seven hundred eighty-seven".