29993479519077 has 12 divisors (see below), whose sum is σ = 43339790277420. Its totient is φ = 19988325897408.

The previous prime is 29993479519037. The next prime is 29993479519093. The reversal of 29993479519077 is 77091597439992.

29993479519077 is a `hidden beast` number, since 2 + 9 + 9 + 9 + 3 + 479 + 51 + 90 + 7 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14258183552001 + 15735295967076 = 3776001^2 + 3966774^2 .

It is not a de Polignac number, because 29993479519077 - 2⁶ = 29993479519013 is a prime.

It is a super-2 number, since 2×29993479519077² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29993479518987 and 29993479519005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29993479519037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 610567018 + ... + 610616139.

It is an arithmetic number, because the mean of its divisors is an integer number (3611649189785).

Almost surely, 2^{29993479519077} is an apocalyptic number.

It is an amenable number.

29993479519077 is a deficient number, since it is larger than the sum of its proper divisors (13346310758343).

29993479519077 is a wasteful number, since it uses less digits than its factorization.

29993479519077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221185892 (or 1221185889 counting only the distinct ones).

The product of its (nonzero) digits is 2430456840, while the sum is 81.

The spelling of 29993479519077 in words is "twenty-nine trillion, nine hundred ninety-three billion, four hundred seventy-nine million, five hundred nineteen thousand, seventy-seven".