987956426456 has 8 divisors (see below), whose sum is σ = 1852418299620. Its totient is φ = 493978213224.

The previous prime is 987956426447. The next prime is 987956426467. The reversal of 987956426456 is 654624659789.

It is a happy number.

987956426456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 987956426456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61747276646 + ... + 61747276661.

Almost surely, 2^987956426456 is an apocalyptic number.

It is an amenable number.

987956426456 is a deficient number, since it is larger than the sum of its proper divisors (864461873164).

987956426456 is a wasteful number, since it uses less digits than its factorization.

987956426456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123494553313 (or 123494553309 counting only the distinct ones).

The product of its digits is 783820800, while the sum is 71.

The spelling of 987956426456 in words is "nine hundred eighty-seven billion, nine hundred fifty-six million, four hundred twenty-six thousand, four hundred fifty-six".