28754158078 has 8 divisors (see below), whose sum is σ = 45006508368. Its totient is φ = 13751988624.

The previous prime is 28754158073. The next prime is 28754158127. The reversal of 28754158078 is 87085145782.

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

It is a super-2 number, since 2×28754158078² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28754158073) 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, 312545151 + ... + 312545242.

It is an arithmetic number, because the mean of its divisors is an integer number (5625813546).

Almost surely, 2^28754158078 is an apocalyptic number.

28754158078 is a deficient number, since it is larger than the sum of its proper divisors (16252350290).

28754158078 is a wasteful number, since it uses less digits than its factorization.

28754158078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625090418.

The product of its (nonzero) digits is 5017600, while the sum is 55.

The spelling of 28754158078 in words is "twenty-eight billion, seven hundred fifty-four million, one hundred fifty-eight thousand, seventy-eight".