396261708667 has 16 divisors (see below), whose sum is σ = 432681832800. Its totient is φ = 359907840000.

The previous prime is 396261708637. The next prime is 396261708677. The reversal of 396261708667 is 766807162693.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396261708667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396261708637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99038667 + ... + 99042667.

It is an arithmetic number, because the mean of its divisors is an integer number (27042614550).

Almost surely, 2^396261708667 is an apocalyptic number.

396261708667 is a deficient number, since it is larger than the sum of its proper divisors (36420124133).

396261708667 is a wasteful number, since it uses less digits than its factorization.

396261708667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10014.

The product of its (nonzero) digits is 27433728, while the sum is 61.

The spelling of 396261708667 in words is "three hundred ninety-six billion, two hundred sixty-one million, seven hundred eight thousand, six hundred sixty-seven".