28690094669 has 8 divisors (see below), whose sum is σ = 29185175040. Its totient is φ = 28195308000.

The previous prime is 28690094647. The next prime is 28690094707. The reversal of 28690094669 is 96649009682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28690094669 - 2⁸ = 28690094413 is a prime.

It is a super-2 number, since 2×28690094669² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28690094369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128369 + ... + 271769.

It is an arithmetic number, because the mean of its divisors is an integer number (3648146880).

Almost surely, 2^28690094669 is an apocalyptic number.

It is an amenable number.

28690094669 is a deficient number, since it is larger than the sum of its proper divisors (495080371).

28690094669 is a wasteful number, since it uses less digits than its factorization.

28690094669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146851.

The product of its (nonzero) digits is 10077696, while the sum is 59.

The spelling of 28690094669 in words is "twenty-eight billion, six hundred ninety million, ninety-four thousand, six hundred sixty-nine".