61783238716 has 12 divisors (see below), whose sum is σ = 108122441560. Its totient is φ = 30891112560.

The previous prime is 61783238689. The next prime is 61783238717.

61783238716 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61783238717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332575 + ... + 483913.

Almost surely, 2^61783238716 is an apocalyptic number.

It is an amenable number.

61783238716 is a deficient number, since it is larger than the sum of its proper divisors (46339202844).

61783238716 is a wasteful number, since it uses less digits than its factorization.

61783238716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253404 (or 253402 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The spelling of 61783238716 in words is "sixty-one billion, seven hundred eighty-three million, two hundred thirty-eight thousand, seven hundred sixteen".