28744629354 has 32 divisors (see below), whose sum is σ = 73002234240. Its totient is φ = 8212751136.

The previous prime is 28744629349. The next prime is 28744629359. The reversal of 28744629354 is 45392644782.

It is a happy number.

28744629354 is a `hidden beast` number, since 2 + 8 + 7 + 4 + 4 + 629 + 3 + 5 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (28744629349) and next prime (28744629359).

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

It is a self number, because there is not a number n which added to its sum of digits gives 28744629354.

It is not an unprimeable number, because it can be changed into a prime (28744629359) 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, 38021619 + ... + 38022374.

It is an arithmetic number, because the mean of its divisors is an integer number (2281319820).

Almost surely, 2^28744629354 is an apocalyptic number.

28744629354 is an abundant number, since it is smaller than the sum of its proper divisors (44257604886).

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

28744629354 is a wasteful number, since it uses less digits than its factorization.

28744629354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76044011 (or 76044005 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The spelling of 28744629354 in words is "twenty-eight billion, seven hundred forty-four million, six hundred twenty-nine thousand, three hundred fifty-four".