4778011431258 has 128 divisors (see below), whose sum is σ = 10889580183552. Its totient is φ = 1386594671616.

The previous prime is 4778011431247. The next prime is 4778011431299. The reversal of 4778011431258 is 8521341108774.

It is a self number, because there is not a number n which added to its sum of digits gives 4778011431258.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37073266 + ... + 37201922.

It is an arithmetic number, because the mean of its divisors is an integer number (85074845184).

Almost surely, 2^{4778011431258} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4778011431258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5444790091776).

4778011431258 is an abundant number, since it is smaller than the sum of its proper divisors (6111568752294).

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

4778011431258 is a wasteful number, since it uses less digits than its factorization.

4778011431258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128988.

The product of its (nonzero) digits is 1505280, while the sum is 51.

The spelling of 4778011431258 in words is "four trillion, seven hundred seventy-eight billion, eleven million, four hundred thirty-one thousand, two hundred fifty-eight".