4536172788 has 48 divisors (see below), whose sum is σ = 12111558144. Its totient is φ = 1294431840.

The previous prime is 4536172777. The next prime is 4536172793. The reversal of 4536172788 is 8872716354.

It is a self number, because there is not a number n which added to its sum of digits gives 4536172788.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34831 + ... + 101417.

It is an arithmetic number, because the mean of its divisors is an integer number (252324128).

Almost surely, 2^4536172788 is an apocalyptic number.

It is an amenable number.

4536172788 is an abundant number, since it is smaller than the sum of its proper divisors (7575385356).

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

4536172788 is a wasteful number, since it uses less digits than its factorization.

4536172788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67412 (or 67410 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The square root of 4536172788 is about 67351.1157145893. The cubic root of 4536172788 is about 1655.3755244767.

The spelling of 4536172788 in words is "four billion, five hundred thirty-six million, one hundred seventy-two thousand, seven hundred eighty-eight".