30456772047 has 24 divisors (see below), whose sum is σ = 47388356288. Its totient is φ = 18738216000.

The previous prime is 30456772039. The next prime is 30456772117. The reversal of 30456772047 is 74027765403.

It is not a de Polignac number, because 30456772047 - 2³ = 30456772039 is a prime.

It is a super-2 number, since 2×30456772047² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 30456771993 and 30456772011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30456772007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 508797 + ... + 565497.

Almost surely, 2^30456772047 is an apocalyptic number.

30456772047 is a deficient number, since it is larger than the sum of its proper divisors (16931584241).

30456772047 is a wasteful number, since it uses less digits than its factorization.

30456772047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61311 (or 61308 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 45.

The spelling of 30456772047 in words is "thirty billion, four hundred fifty-six million, seven hundred seventy-two thousand, forty-seven".