83065554368485 has 32 divisors (see below), whose sum is σ = 108298495549440. Its totient is φ = 60798981950208.

The previous prime is 83065554368479. The next prime is 83065554368569. The reversal of 83065554368485 is 58486345556038.

It is a cyclic number.

It is not a de Polignac number, because 83065554368485 - 2³¹ = 83063406884837 is a prime.

It is a super-2 number, since 2×83065554368485² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9192949 + ... + 15831658.

It is an arithmetic number, because the mean of its divisors is an integer number (3384327985920).

Almost surely, 2^{83065554368485} is an apocalyptic number.

It is an amenable number.

83065554368485 is a deficient number, since it is larger than the sum of its proper divisors (25232941180955).

83065554368485 is a wasteful number, since it uses less digits than its factorization.

83065554368485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25025077.

The product of its (nonzero) digits is 1658880000, while the sum is 70.

The spelling of 83065554368485 in words is "eighty-three trillion, sixty-five billion, five hundred fifty-four million, three hundred sixty-eight thousand, four hundred eighty-five".