29331127817672 has 8 divisors (see below), whose sum is σ = 54995864658150. Its totient is φ = 14665563908832.

The previous prime is 29331127817653. The next prime is 29331127817683. The reversal of 29331127817672 is 27671872113392.

It can be written as a sum of positive squares in only one way, i.e., 28507633276516 + 823494541156 = 5339254^2 + 907466^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×29331127817672² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833195488597 + ... + 1833195488612.

Almost surely, 2^{29331127817672} is an apocalyptic number.

It is an amenable number.

29331127817672 is a deficient number, since it is larger than the sum of its proper divisors (25664736840478).

29331127817672 is a wasteful number, since it uses less digits than its factorization.

29331127817672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666390977215 (or 3666390977211 counting only the distinct ones).

The product of its digits is 10668672, while the sum is 59.

The spelling of 29331127817672 in words is "twenty-nine trillion, three hundred thirty-one billion, one hundred twenty-seven million, eight hundred seventeen thousand, six hundred seventy-two".