28623690468 has 48 divisors (see below), whose sum is σ = 74252680320. Its totient is φ = 9535687200.

The previous prime is 28623690467. The next prime is 28623690493. The reversal of 28623690468 is 86409632682.

28623690468 is a `hidden beast` number, since 2 + 8 + 62 + 36 + 90 + 468 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (28623690467) 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, 111913 + ... + 264143.

It is an arithmetic number, because the mean of its divisors is an integer number (1546930840).

Almost surely, 2^28623690468 is an apocalyptic number.

It is an amenable number.

28623690468 is an abundant number, since it is smaller than the sum of its proper divisors (45628989852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28623690468 is a wasteful number, since it uses less digits than its factorization.

28623690468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153985 (or 153977 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 28623690468 in words is "twenty-eight billion, six hundred twenty-three million, six hundred ninety thousand, four hundred sixty-eight".