405777127206616 has 32 divisors (see below), whose sum is σ = 866085567955200. Its totient is φ = 176424837915040.

The previous prime is 405777127206589. The next prime is 405777127206623. The reversal of 405777127206616 is 616602721777504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100241383156 + ... + 100241387203.

It is an arithmetic number, because the mean of its divisors is an integer number (27065173998600).

Almost surely, 2^{405777127206616} is an apocalyptic number.

405777127206616 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

405777127206616 is an abundant number, since it is smaller than the sum of its proper divisors (460308440748584).

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

405777127206616 is a wasteful number, since it uses less digits than its factorization.

405777127206616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200482770399 (or 200482770395 counting only the distinct ones).

The product of its (nonzero) digits is 41489280, while the sum is 61.

The spelling of 405777127206616 in words is "four hundred five trillion, seven hundred seventy-seven billion, one hundred twenty-seven million, two hundred six thousand, six hundred sixteen".