30522139078 has 4 divisors (see below), whose sum is σ = 45783208620. Its totient is φ = 15261069538.

The previous prime is 30522139033. The next prime is 30522139129. The reversal of 30522139078 is 87093122503.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30522139078.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7630534768 + ... + 7630534771.

It is an arithmetic number, because the mean of its divisors is an integer number (11445802155).

Almost surely, 2^30522139078 is an apocalyptic number.

30522139078 is a deficient number, since it is larger than the sum of its proper divisors (15261069542).

30522139078 is a wasteful number, since it uses less digits than its factorization.

30522139078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15261069541.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 30522139078 in words is "thirty billion, five hundred twenty-two million, one hundred thirty-nine thousand, seventy-eight".