28465248923837 has 4 divisors (see below), whose sum is σ = 31052998826016. Its totient is φ = 25877499021660.

The previous prime is 28465248923833. The next prime is 28465248923863. The reversal of 28465248923837 is 73832984256482.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 28465248923837 - 2² = 28465248923833 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28465248923833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1293874951073 + ... + 1293874951094.

It is an arithmetic number, because the mean of its divisors is an integer number (7763249706504).

Almost surely, 2^{28465248923837} is an apocalyptic number.

It is an amenable number.

28465248923837 is a deficient number, since it is larger than the sum of its proper divisors (2587749902179).

28465248923837 is a wasteful number, since it uses less digits than its factorization.

28465248923837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587749902178.

The product of its digits is 1114767360, while the sum is 71.

The spelling of 28465248923837 in words is "twenty-eight trillion, four hundred sixty-five billion, two hundred forty-eight million, nine hundred twenty-three thousand, eight hundred thirty-seven".