28738078695 has 40 divisors (see below), whose sum is σ = 51785521920. Its totient is φ = 15246688320.

The previous prime is 28738078657. The next prime is 28738078711. The reversal of 28738078695 is 59687083782.

It is not a de Polignac number, because 28738078695 - 2¹⁹ = 28737554407 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 108400 + ... + 263109.

It is an arithmetic number, because the mean of its divisors is an integer number (1294638048).

Almost surely, 2^28738078695 is an apocalyptic number.

28738078695 is a deficient number, since it is larger than the sum of its proper divisors (23047443225).

28738078695 is a wasteful number, since it uses less digits than its factorization.

28738078695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371717 (or 371708 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 63.

The spelling of 28738078695 in words is "twenty-eight billion, seven hundred thirty-eight million, seventy-eight thousand, six hundred ninety-five".