2081987748 has 36 divisors (see below), whose sum is σ = 5341357840. Its totient is φ = 683636976.

The previous prime is 2081987737. The next prime is 2081987759. The reversal of 2081987748 is 8477891802.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2081987737) and next prime (2081987759).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2081987748² = 8669345965644223008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2081987694 and 2081987703.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 429178 + ... + 434001.

Almost surely, 2^2081987748 is an apocalyptic number.

It is an amenable number.

2081987748 is an abundant number, since it is smaller than the sum of its proper divisors (3259370092).

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

2081987748 is a wasteful number, since it uses less digits than its factorization.

2081987748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863256 (or 863251 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 54.

The square root of 2081987748 is about 45628.8039290972. The cubic root of 2081987748 is about 1276.9073588401.

The spelling of 2081987748 in words is "two billion, eighty-one million, nine hundred eighty-seven thousand, seven hundred forty-eight".