78033013132 has 12 divisors (see below), whose sum is σ = 140962862656. Its totient is φ = 37757909520.

The previous prime is 78033013073. The next prime is 78033013139. The reversal of 78033013132 is 23131033087.

It is a super-2 number, since 2×78033013132² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 78033013094 and 78033013103.

It is not an unprimeable number, because it can be changed into a prime (78033013139) 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, 314649123 + ... + 314649370.

Almost surely, 2^78033013132 is an apocalyptic number.

It is an amenable number.

78033013132 is a deficient number, since it is larger than the sum of its proper divisors (62929849524).

78033013132 is a wasteful number, since it uses less digits than its factorization.

78033013132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629298528 (or 629298526 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 78033013132 in words is "seventy-eight billion, thirty-three million, thirteen thousand, one hundred thirty-two".