61587682243776 has 196 divisors, whose sum is σ = 197330823668272. Its totient is φ = 18950055888384.

The previous prime is 61587682243771. The next prime is 61587682243777. The reversal of 61587682243776 is 67734228678516.

61587682243776 is a `hidden beast` number, since 6 + 1 + 58 + 76 + 8 + 2 + 2 + 437 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (61587682243771) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 50164156 + ... + 51377211.

Almost surely, 2^{61587682243776} is an apocalyptic number.

It is an amenable number.

61587682243776 is an abundant number, since it is smaller than the sum of its proper divisors (135743141424496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61587682243776 is a wasteful number, since it uses less digits than its factorization.

61587682243776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101541410 (or 101541385 counting only the distinct ones).

The product of its digits is 1137991680, while the sum is 72.

The spelling of 61587682243776 in words is "sixty-one trillion, five hundred eighty-seven billion, six hundred eighty-two million, two hundred forty-three thousand, seven hundred seventy-six".