32798778 has 32 divisors (see below), whose sum is σ = 67447296. Its totient is φ = 10629168.

The previous prime is 32798747. The next prime is 32798789. The reversal of 32798778 is 87789723.

It is a self number, because there is not a number n which added to its sum of digits gives 32798778.

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, 32875 + ... + 33857.

It is an arithmetic number, because the mean of its divisors is an integer number (2107728).

Almost surely, 2^32798778 is an apocalyptic number.

32798778 is an abundant number, since it is smaller than the sum of its proper divisors (34648518).

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

32798778 is a wasteful number, since it uses less digits than its factorization.

32798778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138.

The product of its digits is 1185408, while the sum is 51.

The square root of 32798778 is about 5727.0217390892. The cubic root of 32798778 is about 320.1001574503.

The spelling of 32798778 in words is "thirty-two million, seven hundred ninety-eight thousand, seven hundred seventy-eight".