471763640655 has 96 divisors (see below), whose sum is σ = 839679160320. Its totient is φ = 244965461760.

The previous prime is 471763640633. The next prime is 471763640657. The reversal of 471763640655 is 556046367174.

471763640655 is a `hidden beast` number, since 471 + 7 + 63 + 64 + 0 + 6 + 55 = 666.

It is not a de Polignac number, because 471763640655 - 2⁶ = 471763640591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471763640657) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 77755932 + ... + 77761998.

It is an arithmetic number, because the mean of its divisors is an integer number (8746657920).

Almost surely, 2^471763640655 is an apocalyptic number.

471763640655 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

471763640655 is a deficient number, since it is larger than the sum of its proper divisors (367915519665).

471763640655 is a wasteful number, since it uses less digits than its factorization.

471763640655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6461 (or 6458 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 54.

The spelling of 471763640655 in words is "four hundred seventy-one billion, seven hundred sixty-three million, six hundred forty thousand, six hundred fifty-five".