28777775150375 has 16 divisors (see below), whose sum is σ = 36113086970688. Its totient is φ = 22895025516000.

The previous prime is 28777775150353. The next prime is 28777775150393. The reversal of 28777775150375 is 57305157777782.

It is not a de Polignac number, because 28777775150375 - 2⁸ = 28777775150119 is a prime.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28777775150299 and 28777775150308.

It is a congruent number.

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, 635950307 + ... + 635995556.

It is an arithmetic number, because the mean of its divisors is an integer number (2257067935668).

Almost surely, 2^{28777775150375} is an apocalyptic number.

28777775150375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28777775150375 is a deficient number, since it is larger than the sum of its proper divisors (7335311820313).

28777775150375 is a wasteful number, since it uses less digits than its factorization.

28777775150375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271946059 (or 1271946049 counting only the distinct ones).

The product of its (nonzero) digits is 705894000, while the sum is 71.

The spelling of 28777775150375 in words is "twenty-eight trillion, seven hundred seventy-seven billion, seven hundred seventy-five million, one hundred fifty thousand, three hundred seventy-five".