2152917927 has 48 divisors (see below), whose sum is σ = 3480201120. Its totient is φ = 1314164736.

The previous prime is 2152917883. The next prime is 2152917941. The reversal of 2152917927 is 7297192512.

2152917927 is a `hidden beast` number, since 21 + 529 + 17 + 92 + 7 = 666.

It is not a de Polignac number, because 2152917927 - 2¹⁸ = 2152655783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152917947) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 284983 + ... + 292439.

It is an arithmetic number, because the mean of its divisors is an integer number (72504190).

Almost surely, 2^2152917927 is an apocalyptic number.

2152917927 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2152917927 is a deficient number, since it is larger than the sum of its proper divisors (1327283193).

2152917927 is a wasteful number, since it uses less digits than its factorization.

2152917927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7537 (or 7514 counting only the distinct ones).

The product of its digits is 158760, while the sum is 45.

The square root of 2152917927 is about 46399.5466249402. The cubic root of 2152917927 is about 1291.2465020099.

The spelling of 2152917927 in words is "two billion, one hundred fifty-two million, nine hundred seventeen thousand, nine hundred twenty-seven".