28764558354 has 32 divisors (see below), whose sum is σ = 67351165056. Its totient is φ = 8017994880.

The previous prime is 28764558341. The next prime is 28764558377. The reversal of 28764558354 is 45385546782.

It is a junction number, because it is equal to n+sod(n) for n = 28764558294 and 28764558303.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8350357 + ... + 8353800.

It is an arithmetic number, because the mean of its divisors is an integer number (2104723908).

Almost surely, 2^28764558354 is an apocalyptic number.

28764558354 is an abundant number, since it is smaller than the sum of its proper divisors (38586606702).

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

28764558354 is a wasteful number, since it uses less digits than its factorization.

28764558354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16704210.

The product of its digits is 32256000, while the sum is 57.

The spelling of 28764558354 in words is "twenty-eight billion, seven hundred sixty-four million, five hundred fifty-eight thousand, three hundred fifty-four".