30147795477 has 6 divisors (see below), whose sum is σ = 43546815702. Its totient is φ = 20098530312.

The previous prime is 30147795473. The next prime is 30147795481. The reversal of 30147795477 is 77459774103.

30147795477 is a `hidden beast` number, since 3 + 0 + 14 + 77 + 95 + 477 = 666.

It is an interprime number because it is at equal distance from previous prime (30147795473) and next prime (30147795481).

It can be written as a sum of positive squares in only one way, i.e., 24095111076 + 6052684401 = 155226^2 + 77799^2 .

It is not a de Polignac number, because 30147795477 - 2² = 30147795473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30147795473) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 1674877518 + ... + 1674877535.

It is an arithmetic number, because the mean of its divisors is an integer number (7257802617).

Almost surely, 2^30147795477 is an apocalyptic number.

It is an amenable number.

30147795477 is a deficient number, since it is larger than the sum of its proper divisors (13399020225).

30147795477 is a wasteful number, since it uses less digits than its factorization.

30147795477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349755059 (or 3349755056 counting only the distinct ones).

The product of its (nonzero) digits is 5186160, while the sum is 54.

The spelling of 30147795477 in words is "thirty billion, one hundred forty-seven million, seven hundred ninety-five thousand, four hundred seventy-seven".