29947610385 has 96 divisors (see below), whose sum is σ = 67115123712. Its totient is φ = 12445721280.

The previous prime is 29947610333. The next prime is 29947610401. The reversal of 29947610385 is 58301674992.

29947610385 is a `hidden beast` number, since 2 + 99 + 476 + 1 + 0 + 3 + 85 = 666.

It is not a de Polignac number, because 29947610385 - 2⁶ = 29947610321 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 66499 + ... + 253608.

It is an arithmetic number, because the mean of its divisors is an integer number (699115872).

It is a 1-persistent number, because it is pandigital, but 2⋅29947610385 = 59895220770 is not.

Almost surely, 2^29947610385 is an apocalyptic number.

It is an amenable number.

29947610385 is an abundant number, since it is smaller than the sum of its proper divisors (37167513327).

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

29947610385 is a wasteful number, since it uses less digits than its factorization.

29947610385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320145 (or 320133 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 29947610385 in words is "twenty-nine billion, nine hundred forty-seven million, six hundred ten thousand, three hundred eighty-five".