28077276634 has 32 divisors (see below), whose sum is σ = 47983643136. Its totient is φ = 12196966320.

The previous prime is 28077276599. The next prime is 28077276673. The reversal of 28077276634 is 43667277082.

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, 577249 + ... + 623995.

It is an arithmetic number, because the mean of its divisors is an integer number (1499488848).

Almost surely, 2^28077276634 is an apocalyptic number.

28077276634 is a deficient number, since it is larger than the sum of its proper divisors (19906366502).

28077276634 is a wasteful number, since it uses less digits than its factorization.

28077276634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47970.

The product of its (nonzero) digits is 4741632, while the sum is 52.

The spelling of 28077276634 in words is "twenty-eight billion, seventy-seven million, two hundred seventy-six thousand, six hundred thirty-four".