2497187856 has 40 divisors (see below), whose sum is σ = 6572793600. Its totient is φ = 816689536.

The previous prime is 2497187839. The next prime is 2497187863. The reversal of 2497187856 is 6587817942.

It is a super-3 number, since 3×2497187856³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2497187796 and 2497187805.

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, 488256 + ... + 493343.

It is an arithmetic number, because the mean of its divisors is an integer number (164319840).

Almost surely, 2^2497187856 is an apocalyptic number.

It is an amenable number.

2497187856 is an abundant number, since it is smaller than the sum of its proper divisors (4075605744).

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

2497187856 is a wasteful number, since it uses less digits than its factorization.

2497187856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981663 (or 981657 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 57.

The square root of 2497187856 is about 49971.8706473952. The cubic root of 2497187856 is about 1356.6997284880.

The spelling of 2497187856 in words is "two billion, four hundred ninety-seven million, one hundred eighty-seven thousand, eight hundred fifty-six".