9047048778 has 24 divisors (see below), whose sum is σ = 20633620800. Its totient is φ = 2856962664.

The previous prime is 9047048719. The next prime is 9047048837. The reversal of 9047048778 is 8778407409.

9047048778 is a `hidden beast` number, since 90 + 4 + 7 + 0 + 487 + 78 = 666.

It is an interprime number because it is at equal distance from previous prime (9047048719) and next prime (9047048837).

It is a super-2 number, since 2×9047048778² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13226338 + ... + 13227021.

It is an arithmetic number, because the mean of its divisors is an integer number (859734200).

Almost surely, 2^9047048778 is an apocalyptic number.

9047048778 is an abundant number, since it is smaller than the sum of its proper divisors (11586572022).

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

9047048778 is a wasteful number, since it uses less digits than its factorization.

9047048778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26453386 (or 26453383 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 54.

The square root of 9047048778 is about 95115.9754089711. The cubic root of 9047048778 is about 2083.7021697361.

The spelling of 9047048778 in words is "nine billion, forty-seven million, forty-eight thousand, seven hundred seventy-eight".