157539077 has 2 divisors, whose sum is σ = 157539078. Its totient is φ = 157539076.

The previous prime is 157539071. The next prime is 157539079. The reversal of 157539077 is 770935751.

157539077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156900676 + 638401 = 12526^2 + 799^2 .

It is a cyclic number.

It is not a de Polignac number, because 157539077 - 2¹⁶ = 157473541 is a prime.

Together with 157539079, 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 (157539071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78769538 + 78769539.

It is an arithmetic number, because the mean of its divisors is an integer number (78769539).

Almost surely, 2^157539077 is an apocalyptic number.

It is an amenable number.

157539077 is a deficient number, since it is larger than the sum of its proper divisors (1).

157539077 is an equidigital number, since it uses as much as digits as its factorization.

157539077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 231525, while the sum is 44.

The square root of 157539077 is about 12551.4571664010. The cubic root of 157539077 is about 540.0858082661.

The spelling of 157539077 in words is "one hundred fifty-seven million, five hundred thirty-nine thousand, seventy-seven".