928155747648 has 28 divisors (see below), whose sum is σ = 2455745416160. Its totient is φ = 309385249152.

The previous prime is 928155747611. The next prime is 928155747677. The reversal of 928155747648 is 846747551829.

It is a super-2 number, since 2×928155747648² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2417072068 + ... + 2417072451.

Almost surely, 2^928155747648 is an apocalyptic number.

It is an amenable number.

928155747648 is an abundant number, since it is smaller than the sum of its proper divisors (1527589668512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

928155747648 is a wasteful number, since it uses less digits than its factorization.

928155747648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834144534 (or 4834144524 counting only the distinct ones).

The product of its digits is 135475200, while the sum is 66.

The spelling of 928155747648 in words is "nine hundred twenty-eight billion, one hundred fifty-five million, seven hundred forty-seven thousand, six hundred forty-eight".