2078997372 has 18 divisors (see below), whose sum is σ = 5255243448. Its totient is φ = 692999112.

The previous prime is 2078997359. The next prime is 2078997407. The reversal of 2078997372 is 2737998702.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28874928 + ... + 28874999.

Almost surely, 2^2078997372 is an apocalyptic number.

It is an amenable number.

2078997372 is an abundant number, since it is smaller than the sum of its proper divisors (3176246076).

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

2078997372 is a wasteful number, since it uses less digits than its factorization.

2078997372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57749937 (or 57749932 counting only the distinct ones).

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

The square root of 2078997372 is about 45596.0236424186. The cubic root of 2078997372 is about 1276.2957217587.

The spelling of 2078997372 in words is "two billion, seventy-eight million, nine hundred ninety-seven thousand, three hundred seventy-two".