29889468085 has 24 divisors (see below), whose sum is σ = 38236471776. Its totient is φ = 22425181440.

The previous prime is 29889468079. The next prime is 29889468101. The reversal of 29889468085 is 58086498892.

It is not a de Polignac number, because 29889468085 - 2⁷ = 29889467957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29889468085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 372390 + ... + 445480.

It is an arithmetic number, because the mean of its divisors is an integer number (1593186324).

Almost surely, 2^29889468085 is an apocalyptic number.

It is an amenable number.

29889468085 is a deficient number, since it is larger than the sum of its proper divisors (8347003691).

29889468085 is a wasteful number, since it uses less digits than its factorization.

29889468085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73413 (or 73396 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 67.

The spelling of 29889468085 in words is "twenty-nine billion, eight hundred eighty-nine million, four hundred sixty-eight thousand, eighty-five".