28362620157 has 16 divisors (see below), whose sum is σ = 40072076352. Its totient is φ = 17782496000.

The previous prime is 28362620149. The next prime is 28362620159. The reversal of 28362620157 is 75102626382.

It is a cyclic number.

It is not a de Polignac number, because 28362620157 - 2³ = 28362620149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28362620159) 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, 146094 + ... + 279407.

It is an arithmetic number, because the mean of its divisors is an integer number (2504504772).

Almost surely, 2^28362620157 is an apocalyptic number.

It is an amenable number.

28362620157 is a deficient number, since it is larger than the sum of its proper divisors (11709456195).

28362620157 is a wasteful number, since it uses less digits than its factorization.

28362620157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426828.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 28362620157 in words is "twenty-eight billion, three hundred sixty-two million, six hundred twenty thousand, one hundred fifty-seven".