10077721629 has 4 divisors (see below), whose sum is σ = 13436962176. Its totient is φ = 6718481084.

The previous prime is 10077721627. The next prime is 10077721637. The reversal of 10077721629 is 92612777001.

10077721629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10077721629 - 2¹ = 10077721627 is a prime.

It is a super-2 number, since 2×10077721629² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10077721627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1679620269 + ... + 1679620274.

It is an arithmetic number, because the mean of its divisors is an integer number (3359240544).

Almost surely, 2^10077721629 is an apocalyptic number.

It is an amenable number.

10077721629 is a deficient number, since it is larger than the sum of its proper divisors (3359240547).

10077721629 is an equidigital number, since it uses as much as digits as its factorization.

10077721629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359240546.

The product of its (nonzero) digits is 74088, while the sum is 42.

The spelling of 10077721629 in words is "ten billion, seventy-seven million, seven hundred twenty-one thousand, six hundred twenty-nine".