4987661396 has 24 divisors (see below), whose sum is σ = 9063774720. Its totient is φ = 2398666592.

The previous prime is 4987661387. The next prime is 4987661431. The reversal of 4987661396 is 6931667894.

It is a happy number.

It is a super-2 number, since 2×4987661396² = 49753532402297337632, which contains 22 as substring.

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, 51236 + ... + 112251.

It is an arithmetic number, because the mean of its divisors is an integer number (377657280).

Almost surely, 2^4987661396 is an apocalyptic number.

It is an amenable number.

4987661396 is a deficient number, since it is larger than the sum of its proper divisors (4076113324).

4987661396 is a wasteful number, since it uses less digits than its factorization.

4987661396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163783 (or 163781 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 59.

The square root of 4987661396 is about 70623.3771211771. The cubic root of 4987661396 is about 1708.5682070010.

The spelling of 4987661396 in words is "four billion, nine hundred eighty-seven million, six hundred sixty-one thousand, three hundred ninety-six".