2031978588 has 24 divisors (see below), whose sum is σ = 4851547008. Its totient is φ = 661574256.

The previous prime is 2031978577. The next prime is 2031978649. The reversal of 2031978588 is 8858791302.

It is a self number, because there is not a number n which added to its sum of digits gives 2031978588.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1968456 + ... + 1969487.

It is an arithmetic number, because the mean of its divisors is an integer number (202147792).

Almost surely, 2^2031978588 is an apocalyptic number.

It is an amenable number.

2031978588 is an abundant number, since it is smaller than the sum of its proper divisors (2819568420).

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

2031978588 is a wasteful number, since it uses less digits than its factorization.

2031978588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937993 (or 3937991 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 51.

The square root of 2031978588 is about 45077.4731767432. The cubic root of 2031978588 is about 1266.6006573481.

It can be divided in two parts, 203 and 1978588, that added together give a palindrome (1978791).

The spelling of 2031978588 in words is "two billion, thirty-one million, nine hundred seventy-eight thousand, five hundred eighty-eight".