61928927 has 2 divisors, whose sum is σ = 61928928. Its totient is φ = 61928926.

The previous prime is 61928921. The next prime is 61928929. The reversal of 61928927 is 72982916.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61928927 - 2⁶ = 61928863 is a prime.

Together with 61928929, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61928921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30964463 + 30964464.

It is an arithmetic number, because the mean of its divisors is an integer number (30964464).

Almost surely, 2^61928927 is an apocalyptic number.

61928927 is a deficient number, since it is larger than the sum of its proper divisors (1).

61928927 is an equidigital number, since it uses as much as digits as its factorization.

61928927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 44.

The square root of 61928927 is about 7869.4934398600. The cubic root of 61928927 is about 395.6378669966.

The spelling of 61928927 in words is "sixty-one million, nine hundred twenty-eight thousand, nine hundred twenty-seven".