157228927 has 2 divisors, whose sum is σ = 157228928. Its totient is φ = 157228926.

The previous prime is 157228879. The next prime is 157228957. The reversal of 157228927 is 729822751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157228927 - 2¹¹ = 157226879 is a prime.

It is a super-4 number, since 4×157228927⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157228957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78614463 + 78614464.

It is an arithmetic number, because the mean of its divisors is an integer number (78614464).

Almost surely, 2^157228927 is an apocalyptic number.

157228927 is a deficient number, since it is larger than the sum of its proper divisors (1).

157228927 is an equidigital number, since it uses as much as digits as its factorization.

157228927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 43.

The square root of 157228927 is about 12539.0959402981. The cubic root of 157228927 is about 539.7311498917.

It can be divided in two parts, 15722 and 8927, that added together give a square (24649 = 157²).

The spelling of 157228927 in words is "one hundred fifty-seven million, two hundred twenty-eight thousand, nine hundred twenty-seven".