78530053053 has 24 divisors (see below), whose sum is σ = 110566309728. Its totient is φ = 49571608608.

The previous prime is 78530053051. The next prime is 78530053073. The reversal of 78530053053 is 35035003587.

It is not a de Polignac number, because 78530053053 - 2¹ = 78530053051 is a prime.

It is a super-3 number, since 3×78530053053³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78530053051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2133675 + ... + 2170167.

It is an arithmetic number, because the mean of its divisors is an integer number (4606929572).

Almost surely, 2^78530053053 is an apocalyptic number.

It is an amenable number.

78530053053 is a deficient number, since it is larger than the sum of its proper divisors (32036256675).

78530053053 is a wasteful number, since it uses less digits than its factorization.

78530053053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38521 (or 38502 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 39.

The spelling of 78530053053 in words is "seventy-eight billion, five hundred thirty million, fifty-three thousand, fifty-three".