2097778932 has 48 divisors (see below), whose sum is σ = 5441732800. Its totient is φ = 698868000.

The previous prime is 2097778931. The next prime is 2097778979. The reversal of 2097778932 is 2398777902.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097778931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238794 + ... + 247422.

Almost surely, 2^2097778932 is an apocalyptic number.

It is an amenable number.

2097778932 is an abundant number, since it is smaller than the sum of its proper divisors (3343953868).

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

2097778932 is a wasteful number, since it uses less digits than its factorization.

2097778932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10893 (or 10885 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The square root of 2097778932 is about 45801.5166997775. The cubic root of 2097778932 is about 1280.1275369340.

The spelling of 2097778932 in words is "two billion, ninety-seven million, seven hundred seventy-eight thousand, nine hundred thirty-two".