29797980275 has 24 divisors (see below), whose sum is σ = 42365621760. Its totient is φ = 20366307360.

The previous prime is 29797980253. The next prime is 29797980283. The reversal of 29797980275 is 57208979792.

It is a happy number.

It is not a de Polignac number, because 29797980275 - 2¹⁰ = 29797979251 is a prime.

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, 223595 + ... + 331044.

It is an arithmetic number, because the mean of its divisors is an integer number (1765234240).

Almost surely, 2^29797980275 is an apocalyptic number.

29797980275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

29797980275 is a deficient number, since it is larger than the sum of its proper divisors (12567641485).

29797980275 is a wasteful number, since it uses less digits than its factorization.

29797980275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554963 (or 554958 counting only the distinct ones).

The product of its (nonzero) digits is 40007520, while the sum is 65.

The spelling of 29797980275 in words is "twenty-nine billion, seven hundred ninety-seven million, nine hundred eighty thousand, two hundred seventy-five".