29875240085 has 8 divisors (see below), whose sum is σ = 35854888920. Its totient is φ = 23897124864.

The previous prime is 29875240081. The next prime is 29875240117. The reversal of 29875240085 is 58004257892.

It can be written as a sum of positive squares in 4 ways, for example, as 895625329 + 28979614756 = 29927^2 + 170234^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29875240085 - 2² = 29875240081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29875240081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340100 + ... + 418829.

It is an arithmetic number, because the mean of its divisors is an integer number (4481861115).

Almost surely, 2^29875240085 is an apocalyptic number.

It is an amenable number.

29875240085 is a deficient number, since it is larger than the sum of its proper divisors (5979648835).

29875240085 is an equidigital number, since it uses as much as digits as its factorization.

29875240085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766807.

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 29875240085 in words is "twenty-nine billion, eight hundred seventy-five million, two hundred forty thousand, eighty-five".