87785783255756 has 12 divisors (see below), whose sum is σ = 153909085804320. Its totient is φ = 43811758740240.

The previous prime is 87785783255711. The next prime is 87785783255827. The reversal of 87785783255756 is 65755238758778.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20283219476 + ... + 20283223803.

It is an arithmetic number, because the mean of its divisors is an integer number (12825757150360).

Almost surely, 2^{87785783255756} is an apocalyptic number.

It is an amenable number.

87785783255756 is a deficient number, since it is larger than the sum of its proper divisors (66123302548564).

87785783255756 is a wasteful number, since it uses less digits than its factorization.

87785783255756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40566443824 (or 40566443822 counting only the distinct ones).

The product of its digits is 27659520000, while the sum is 83.

The spelling of 87785783255756 in words is "eighty-seven trillion, seven hundred eighty-five billion, seven hundred eighty-three million, two hundred fifty-five thousand, seven hundred fifty-six".