28376251629 has 16 divisors (see below), whose sum is σ = 41282921280. Its totient is φ = 17194239360.

The previous prime is 28376251627. The next prime is 28376251637. The reversal of 28376251629 is 92615267382.

It is a happy number.

It is not a de Polignac number, because 28376251629 - 2¹ = 28376251627 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28376251627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82857 + ... + 252225.

It is an arithmetic number, because the mean of its divisors is an integer number (2580182580).

Almost surely, 2^28376251629 is an apocalyptic number.

It is an amenable number.

28376251629 is a deficient number, since it is larger than the sum of its proper divisors (12906669651).

28376251629 is a wasteful number, since it uses less digits than its factorization.

28376251629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174460.

The product of its digits is 2177280, while the sum is 51.

The spelling of 28376251629 in words is "twenty-eight billion, three hundred seventy-six million, two hundred fifty-one thousand, six hundred twenty-nine".