10078584921 has 16 divisors (see below), whose sum is σ = 15063376320. Its totient is φ = 6659593920.

The previous prime is 10078584899. The next prime is 10078584959. The reversal of 10078584921 is 12948587001.

10078584921 is a `hidden beast` number, since 100 + 7 + 8 + 58 + 492 + 1 = 666.

It is not a de Polignac number, because 10078584921 - 2¹⁷ = 10078453849 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10078584121) 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, 1648635 + ... + 1654736.

It is an arithmetic number, because the mean of its divisors is an integer number (941461020).

Almost surely, 2^10078584921 is an apocalyptic number.

It is an amenable number.

10078584921 is a deficient number, since it is larger than the sum of its proper divisors (4984791399).

10078584921 is a wasteful number, since it uses less digits than its factorization.

10078584921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303493 (or 3303487 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 10078584921 in words is "ten billion, seventy-eight million, five hundred eighty-four thousand, nine hundred twenty-one".