415977798728 has 36 divisors (see below), whose sum is σ = 798669373635. Its totient is φ = 203113639344.

The previous prime is 415977798697. The next prime is 415977798749. The reversal of 415977798728 is 827897779514.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 207988899364 + 207988899364 = 456058^2 + 456058^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=456058.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 78439325 + ... + 78444627.

Almost surely, 2^415977798728 is an apocalyptic number.

It is an amenable number.

415977798728 is a deficient number, since it is larger than the sum of its proper divisors (382691574907).

415977798728 is an frugal number, since it uses more digits than its factorization.

415977798728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10698 (or 5348 counting only the distinct ones).

The product of its digits is 497871360, while the sum is 74.

The spelling of 415977798728 in words is "four hundred fifteen billion, nine hundred seventy-seven million, seven hundred ninety-eight thousand, seven hundred twenty-eight".