5078011638 has 32 divisors (see below), whose sum is σ = 11609915904. Its totient is φ = 1450481472.

The previous prime is 5078011583. The next prime is 5078011657. The reversal of 5078011638 is 8361108705.

It is a junction number, because it is equal to n+sod(n) for n = 5078011596 and 5078011605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173631 + ... + 200757.

It is an arithmetic number, because the mean of its divisors is an integer number (362809872).

Almost surely, 2^5078011638 is an apocalyptic number.

5078011638 is an abundant number, since it is smaller than the sum of its proper divisors (6531904266).

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

5078011638 is a wasteful number, since it uses less digits than its factorization.

5078011638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31596.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 5078011638 is about 71260.1686638475. The cubic root of 5078011638 is about 1718.8232935480.

The spelling of 5078011638 in words is "five billion, seventy-eight million, eleven thousand, six hundred thirty-eight".