29486079977 has 4 divisors (see below), whose sum is σ = 29520486996. Its totient is φ = 29451672960.

The previous prime is 29486079967. The next prime is 29486080009. The reversal of 29486079977 is 77997068492.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14375770201 + 15110309776 = 119899^2 + 122924^2 .

It is a cyclic number.

It is not a de Polignac number, because 29486079977 - 2¹⁰ = 29486078953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29486079967) 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, 17202224 + ... + 17203937.

It is an arithmetic number, because the mean of its divisors is an integer number (7380121749).

Almost surely, 2^29486079977 is an apocalyptic number.

It is an amenable number.

29486079977 is a deficient number, since it is larger than the sum of its proper divisors (34407019).

29486079977 is an equidigital number, since it uses as much as digits as its factorization.

29486079977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34407018.

The product of its (nonzero) digits is 96018048, while the sum is 68.

The spelling of 29486079977 in words is "twenty-nine billion, four hundred eighty-six million, seventy-nine thousand, nine hundred seventy-seven".