28486723404 has 48 divisors (see below), whose sum is σ = 70425180000. Its totient is φ = 8931142656.

The previous prime is 28486723367. The next prime is 28486723409. The reversal of 28486723404 is 40432768482.

It is a super-2 number, since 2×28486723404² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28486723409) 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, 270922 + ... + 361070.

It is an arithmetic number, because the mean of its divisors is an integer number (1467191250).

Almost surely, 2^28486723404 is an apocalyptic number.

It is an amenable number.

28486723404 is an abundant number, since it is smaller than the sum of its proper divisors (41938456596).

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

28486723404 is a wasteful number, since it uses less digits than its factorization.

28486723404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91722 (or 91720 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 48.

The spelling of 28486723404 in words is "twenty-eight billion, four hundred eighty-six million, seven hundred twenty-three thousand, four hundred four".