78082507533 has 8 divisors (see below), whose sum is σ = 104112832896. Its totient is φ = 52053593600.

The previous prime is 78082507507. The next prime is 78082507553. The reversal of 78082507533 is 33570528087.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78082507533 - 2²⁰ = 78081458957 is a prime.

78082507533 is a modest number, since divided by 507533 gives 78082 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78082507553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216213 + ... + 450458.

It is an arithmetic number, because the mean of its divisors is an integer number (13014104112).

Almost surely, 2^78082507533 is an apocalyptic number.

It is an amenable number.

78082507533 is a deficient number, since it is larger than the sum of its proper divisors (26030325363).

78082507533 is a wasteful number, since it uses less digits than its factorization.

78082507533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705715.

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 78082507533 in words is "seventy-eight billion, eighty-two million, five hundred seven thousand, five hundred thirty-three".