28601763763 has 4 divisors (see below), whose sum is σ = 29086539480. Its totient is φ = 28116988048.

The previous prime is 28601763739. The next prime is 28601763767. The reversal of 28601763763 is 36736710682.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28601763763 - 2¹³ = 28601755571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28601763767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242387770 + ... + 242387887.

It is an arithmetic number, because the mean of its divisors is an integer number (7271634870).

Almost surely, 2^28601763763 is an apocalyptic number.

28601763763 is a deficient number, since it is larger than the sum of its proper divisors (484775717).

28601763763 is an equidigital number, since it uses as much as digits as its factorization.

28601763763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484775716.

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 28601763763 in words is "twenty-eight billion, six hundred one million, seven hundred sixty-three thousand, seven hundred sixty-three".