28077112701 has 40 divisors (see below), whose sum is σ = 45947088000. Its totient is φ = 16945104960.

The previous prime is 28077112697. The next prime is 28077112709. The reversal of 28077112701 is 10721177082.

It is not a de Polignac number, because 28077112701 - 2² = 28077112697 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28077112709) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 147025 + ... + 278873.

It is an arithmetic number, because the mean of its divisors is an integer number (1148677200).

Almost surely, 2^28077112701 is an apocalyptic number.

It is an amenable number.

28077112701 is a deficient number, since it is larger than the sum of its proper divisors (17869975299).

28077112701 is a wasteful number, since it uses less digits than its factorization.

28077112701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132111 (or 132102 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 36.

Adding to 28077112701 its reverse (10721177082), we get a palindrome (38798289783).

The spelling of 28077112701 in words is "twenty-eight billion, seventy-seven million, one hundred twelve thousand, seven hundred one".