30078863052 has 72 divisors (see below), whose sum is σ = 81903968496. Its totient is φ = 8566451712.

The previous prime is 30078863051. The next prime is 30078863053. The reversal of 30078863052 is 25036887003.

It is an interprime number because it is at equal distance from previous prime (30078863051) and next prime (30078863053).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 30078862995 and 30078863013.

It is not an unprimeable number, because it can be changed into a prime (30078863051) 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, 102328 + ... + 265760.

It is an arithmetic number, because the mean of its divisors is an integer number (1137555118).

Almost surely, 2^30078863052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30078863052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40951984248).

30078863052 is an abundant number, since it is smaller than the sum of its proper divisors (51825105444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30078863052 is a wasteful number, since it uses less digits than its factorization.

30078863052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163767 (or 163758 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 30078863052 in words is "thirty billion, seventy-eight million, eight hundred sixty-three thousand, fifty-two".