396786991202 has 12 divisors (see below), whose sum is σ = 692352811350. Its totient is φ = 170051567616.

The previous prime is 396786991177. The next prime is 396786991243. The reversal of 396786991202 is 202199687693.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 339899494081 + 56887497121 = 583009^2 + 238511^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2024423327 + ... + 2024423522.

Almost surely, 2^396786991202 is an apocalyptic number.

396786991202 is a deficient number, since it is larger than the sum of its proper divisors (295565820148).

396786991202 is a wasteful number, since it uses less digits than its factorization.

396786991202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4048846865 (or 4048846858 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 62.

The spelling of 396786991202 in words is "three hundred ninety-six billion, seven hundred eighty-six million, nine hundred ninety-one thousand, two hundred two".