29786077445 has 18 divisors (see below), whose sum is σ = 36238558482. Its totient is φ = 23503149696.

The previous prime is 29786077439. The next prime is 29786077457. The reversal of 29786077445 is 54477068792.

It can be written as a sum of positive squares in 3 ways, for example, as 16826759524 + 12959317921 = 129718^2 + 113839^2 .

It is not a de Polignac number, because 29786077445 - 2¹⁰ = 29786076421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 30486797 + ... + 30487773.

It is an arithmetic number, because the mean of its divisors is an integer number (2013253249).

Almost surely, 2^29786077445 is an apocalyptic number.

It is an amenable number.

29786077445 is a deficient number, since it is larger than the sum of its proper divisors (6452481037).

29786077445 is an frugal number, since it uses more digits than its factorization.

29786077445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117 (or 1061 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 59.

The spelling of 29786077445 in words is "twenty-nine billion, seven hundred eighty-six million, seventy-seven thousand, four hundred forty-five".