28737123422 has 8 divisors (see below), whose sum is σ = 49263640176. Its totient is φ = 12315910032.

The previous prime is 28737123413. The next prime is 28737123433. The reversal of 28737123422 is 22432173782.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28737123422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026325823 + ... + 1026325850.

It is an arithmetic number, because the mean of its divisors is an integer number (6157955022).

Almost surely, 2^28737123422 is an apocalyptic number.

28737123422 is a deficient number, since it is larger than the sum of its proper divisors (20526516754).

28737123422 is a wasteful number, since it uses less digits than its factorization.

28737123422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052651682.

The product of its digits is 225792, while the sum is 41.

The spelling of 28737123422 in words is "twenty-eight billion, seven hundred thirty-seven million, one hundred twenty-three thousand, four hundred twenty-two".