408799065977 has 16 divisors (see below), whose sum is σ = 435911258880. Its totient is φ = 382036747008.

The previous prime is 408799065971. The next prime is 408799065991. The reversal of 408799065977 is 779560997804.

It is not a de Polignac number, because 408799065977 - 2¹⁰ = 408799064953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 408799065977.

It is not an unprimeable number, because it can be changed into a prime (408799065971) 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, 1264883 + ... + 1554839.

It is an arithmetic number, because the mean of its divisors is an integer number (27244453680).

Almost surely, 2^408799065977 is an apocalyptic number.

It is an amenable number.

408799065977 is a deficient number, since it is larger than the sum of its proper divisors (27112192903).

408799065977 is a wasteful number, since it uses less digits than its factorization.

408799065977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290560.

The product of its (nonzero) digits is 240045120, while the sum is 71.

The spelling of 408799065977 in words is "four hundred eight billion, seven hundred ninety-nine million, sixty-five thousand, nine hundred seventy-seven".