472100778 has 32 divisors (see below), whose sum is σ = 1110827520. Its totient is φ = 148109760.

The previous prime is 472100747. The next prime is 472100789. The reversal of 472100778 is 877001274.

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, 256218 + ... + 258053.

It is an arithmetic number, because the mean of its divisors is an integer number (34713360).

Almost surely, 2^472100778 is an apocalyptic number.

472100778 is an abundant number, since it is smaller than the sum of its proper divisors (638726742).

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

472100778 is a wasteful number, since it uses less digits than its factorization.

472100778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514299 (or 514293 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 472100778 is about 21727.8802003325. The cubic root of 472100778 is about 778.6546928461.

It can be divided in two parts, 472100 and 778, that added together give a triangular number (472878 = T₉₇₂).

The spelling of 472100778 in words is "four hundred seventy-two million, one hundred thousand, seven hundred seventy-eight".