29848868478 has 48 divisors (see below), whose sum is σ = 75978944496. Its totient is φ = 8349333120.

The previous prime is 29848868477. The next prime is 29848868509. The reversal of 29848868478 is 87486884892.

29848868478 is a `hidden beast` number, since 2 + 98 + 4 + 8 + 8 + 68 + 478 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29848868473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5795575 + ... + 5800722.

It is an arithmetic number, because the mean of its divisors is an integer number (1582894677).

Almost surely, 2^29848868478 is an apocalyptic number.

29848868478 is an abundant number, since it is smaller than the sum of its proper divisors (46130076018).

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

29848868478 is a wasteful number, since it uses less digits than its factorization.

29848868478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11596329 (or 11596326 counting only the distinct ones).

The product of its digits is 396361728, while the sum is 72.

The spelling of 29848868478 in words is "twenty-nine billion, eight hundred forty-eight million, eight hundred sixty-eight thousand, four hundred seventy-eight".