29880663077 has 4 divisors (see below), whose sum is σ = 29937796800. Its totient is φ = 29823529356.

The previous prime is 29880663053. The next prime is 29880663119. The reversal of 29880663077 is 77036608892.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29880663077 - 2¹⁴ = 29880646693 is a prime.

It is a super-2 number, since 2×29880663077² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29880666077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28566077 + ... + 28567122.

It is an arithmetic number, because the mean of its divisors is an integer number (7484449200).

Almost surely, 2^29880663077 is an apocalyptic number.

It is an amenable number.

29880663077 is a deficient number, since it is larger than the sum of its proper divisors (57133723).

29880663077 is an equidigital number, since it uses as much as digits as its factorization.

29880663077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57133722.

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 29880663077 in words is "twenty-nine billion, eight hundred eighty million, six hundred sixty-three thousand, seventy-seven".