28956787435 has 8 divisors (see below), whose sum is σ = 34750701216. Its totient is φ = 23163725760.

The previous prime is 28956787393. The next prime is 28956787439. The reversal of 28956787435 is 53478765982.

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

It is not a de Polignac number, because 28956787435 - 2¹⁷ = 28956656363 is a prime.

It is a super-3 number, since 3×28956787435³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28956787439) 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, 135711 + ... + 276280.

It is an arithmetic number, because the mean of its divisors is an integer number (4343837652).

Almost surely, 2^28956787435 is an apocalyptic number.

28956787435 is a deficient number, since it is larger than the sum of its proper divisors (5793913781).

28956787435 is a wasteful number, since it uses less digits than its factorization.

28956787435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426053.

The product of its digits is 101606400, while the sum is 64.

The spelling of 28956787435 in words is "twenty-eight billion, nine hundred fifty-six million, seven hundred eighty-seven thousand, four hundred thirty-five".