28766377075 has 6 divisors (see below), whose sum is σ = 35670307604. Its totient is φ = 23013101640.

The previous prime is 28766377069. The next prime is 28766377091. The reversal of 28766377075 is 57077366782.

It is not a de Polignac number, because 28766377075 - 2⁹ = 28766376563 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 575327517 + ... + 575327566.

Almost surely, 2^28766377075 is an apocalyptic number.

28766377075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28766377075 is a deficient number, since it is larger than the sum of its proper divisors (6903930529).

28766377075 is a wasteful number, since it uses less digits than its factorization.

28766377075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150655093 (or 1150655088 counting only the distinct ones).

The product of its (nonzero) digits is 20744640, while the sum is 58.

The spelling of 28766377075 in words is "twenty-eight billion, seven hundred sixty-six million, three hundred seventy-seven thousand, seventy-five".