406578937963 has 8 divisors (see below), whose sum is σ = 444451426560. Its totient is φ = 368858243880.

The previous prime is 406578937957. The next prime is 406578937979. The reversal of 406578937963 is 369739875604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 406578937963 - 2⁵ = 406578937931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406578937913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37943023 + ... + 37953736.

It is an arithmetic number, because the mean of its divisors is an integer number (55556428320).

Almost surely, 2^406578937963 is an apocalyptic number.

406578937963 is a deficient number, since it is larger than the sum of its proper divisors (37872488597).

406578937963 is a wasteful number, since it uses less digits than its factorization.

406578937963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75897257.

The product of its (nonzero) digits is 205752960, while the sum is 67.

The spelling of 406578937963 in words is "four hundred six billion, five hundred seventy-eight million, nine hundred thirty-seven thousand, nine hundred sixty-three".