71655600983 has 2 divisors, whose sum is σ = 71655600984. Its totient is φ = 71655600982.

The previous prime is 71655600979. The next prime is 71655601021. The reversal of 71655600983 is 38900655617.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (38900655617) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71655600983 - 2² = 71655600979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71655600943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35827800491 + 35827800492.

It is an arithmetic number, because the mean of its divisors is an integer number (35827800492).

Almost surely, 2^71655600983 is an apocalyptic number.

71655600983 is a deficient number, since it is larger than the sum of its proper divisors (1).

71655600983 is an equidigital number, since it uses as much as digits as its factorization.

71655600983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 71655600983 in words is "seventy-one billion, six hundred fifty-five million, six hundred thousand, nine hundred eighty-three".