87783648741 has 12 divisors (see below), whose sum is σ = 133472214720. Its totient is φ = 55442304360.

The previous prime is 87783648653. The next prime is 87783648751. The reversal of 87783648741 is 14784638778.

87783648741 is a `hidden beast` number, since 8 + 77 + 83 + 6 + 487 + 4 + 1 = 666.

It is not a de Polignac number, because 87783648741 - 2⁷ = 87783648613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87783648751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256677165 + ... + 256677506.

It is an arithmetic number, because the mean of its divisors is an integer number (11122684560).

Almost surely, 2^87783648741 is an apocalyptic number.

It is an amenable number.

87783648741 is a deficient number, since it is larger than the sum of its proper divisors (45688565979).

87783648741 is a wasteful number, since it uses less digits than its factorization.

87783648741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513354696 (or 513354693 counting only the distinct ones).

The product of its digits is 50577408, while the sum is 63.

The spelling of 87783648741 in words is "eighty-seven billion, seven hundred eighty-three million, six hundred forty-eight thousand, seven hundred forty-one".