30385788086 has 4 divisors (see below), whose sum is σ = 45578682132. Its totient is φ = 15192894042.

The previous prime is 30385788079. The next prime is 30385788101. The reversal of 30385788086 is 68088758303.

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

It is a super-2 number, since 2×30385788086² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7596447020 + ... + 7596447023.

It is an arithmetic number, because the mean of its divisors is an integer number (11394670533).

Almost surely, 2^30385788086 is an apocalyptic number.

30385788086 is a deficient number, since it is larger than the sum of its proper divisors (15192894046).

30385788086 is a wasteful number, since it uses less digits than its factorization.

30385788086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15192894045.

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 30385788086 in words is "thirty billion, three hundred eighty-five million, seven hundred eighty-eight thousand, eighty-six".