396211779495 has 192 divisors, whose sum is σ = 841325322240. Its totient is φ = 168594048000.

The previous prime is 396211779487. The next prime is 396211779503. The reversal of 396211779495 is 594977112693.

396211779495 is a `hidden beast` number, since 3 + 9 + 62 + 1 + 17 + 79 + 495 = 666.

It is an interprime number because it is at equal distance from previous prime (396211779487) and next prime (396211779503).

It is not a de Polignac number, because 396211779495 - 2³ = 396211779487 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 78439720 + ... + 78444770.

It is an arithmetic number, because the mean of its divisors is an integer number (4381902720).

Almost surely, 2^396211779495 is an apocalyptic number.

396211779495 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

396211779495 is an abundant number, since it is smaller than the sum of its proper divisors (445113542745).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

396211779495 is a wasteful number, since it uses less digits than its factorization.

396211779495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5406 (or 5403 counting only the distinct ones).

The product of its digits is 25719120, while the sum is 63.

The spelling of 396211779495 in words is "three hundred ninety-six billion, two hundred eleven million, seven hundred seventy-nine thousand, four hundred ninety-five".