28315162965 has 16 divisors (see below), whose sum is σ = 47688696000. Its totient is φ = 14306608512.

The previous prime is 28315162963. The next prime is 28315162973. The reversal of 28315162965 is 56926151382.

It is not a de Polignac number, because 28315162965 - 2¹ = 28315162963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28315162963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49675440 + ... + 49676009.

It is an arithmetic number, because the mean of its divisors is an integer number (2980543500).

Almost surely, 2^28315162965 is an apocalyptic number.

It is an amenable number.

28315162965 is a deficient number, since it is larger than the sum of its proper divisors (19373533035).

28315162965 is a wasteful number, since it uses less digits than its factorization.

28315162965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99351476.

The product of its digits is 777600, while the sum is 48.

The spelling of 28315162965 in words is "twenty-eight billion, three hundred fifteen million, one hundred sixty-two thousand, nine hundred sixty-five".