29777130368931 has 16 divisors (see below), whose sum is σ = 43357925881728. Its totient is φ = 18027688905600.

The previous prime is 29777130368929. The next prime is 29777130368977. The reversal of 29777130368931 is 13986303177792.

It is not a de Polignac number, because 29777130368931 - 2¹ = 29777130368929 is a prime.

It is a super-2 number, since 2×29777130368931² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29777130368981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476387590 + ... + 476450091.

It is an arithmetic number, because the mean of its divisors is an integer number (2709870367608).

Almost surely, 2^{29777130368931} is an apocalyptic number.

29777130368931 is a deficient number, since it is larger than the sum of its proper divisors (13580795512797).

29777130368931 is a wasteful number, since it uses less digits than its factorization.

29777130368931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952838642.

The product of its (nonzero) digits is 72013536, while the sum is 66.

The spelling of 29777130368931 in words is "twenty-nine trillion, seven hundred seventy-seven billion, one hundred thirty million, three hundred sixty-eight thousand, nine hundred thirty-one".