2487720028 has 6 divisors (see below), whose sum is σ = 4353510056. Its totient is φ = 1243860012.

The previous prime is 2487719981. The next prime is 2487720029. The reversal of 2487720028 is 8200277842.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2487720029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310965000 + ... + 310965007.

Almost surely, 2^2487720028 is an apocalyptic number.

It is an amenable number.

2487720028 is a deficient number, since it is larger than the sum of its proper divisors (1865790028).

2487720028 is a wasteful number, since it uses less digits than its factorization.

2487720028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621930011 (or 621930009 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 40.

The square root of 2487720028 is about 49877.0491107884. The cubic root of 2487720028 is about 1354.9829617098.

The spelling of 2487720028 in words is "two billion, four hundred eighty-seven million, seven hundred twenty thousand, twenty-eight".