28255500761 has 8 divisors (see below), whose sum is σ = 29744365920. Its totient is φ = 26766808992.

The previous prime is 28255500739. The next prime is 28255500829. The reversal of 28255500761 is 16700555282.

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 28255500761 - 2²⁶ = 28188391897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28255500461) 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 7 ways as a sum of consecutive naturals, for example, 416141 + ... + 479253.

It is an arithmetic number, because the mean of its divisors is an integer number (3718045740).

Almost surely, 2^28255500761 is an apocalyptic number.

It is an amenable number.

28255500761 is a deficient number, since it is larger than the sum of its proper divisors (1488865159).

28255500761 is a wasteful number, since it uses less digits than its factorization.

28255500761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86695.

The product of its (nonzero) digits is 168000, while the sum is 41.

The spelling of 28255500761 in words is "twenty-eight billion, two hundred fifty-five million, five hundred thousand, seven hundred sixty-one".