157746487 has 2 divisors, whose sum is σ = 157746488. Its totient is φ = 157746486.

The previous prime is 157746473. The next prime is 157746499. The reversal of 157746487 is 784647751.

157746487 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 is a cyclic number.

It is not a de Polignac number, because 157746487 - 2¹⁵ = 157713719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157746487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157746437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78873243 + 78873244.

It is an arithmetic number, because the mean of its divisors is an integer number (78873244).

Almost surely, 2^157746487 is an apocalyptic number.

157746487 is a deficient number, since it is larger than the sum of its proper divisors (1).

157746487 is an equidigital number, since it uses as much as digits as its factorization.

157746487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1317120, while the sum is 49.

The square root of 157746487 is about 12559.7168359800. The cubic root of 157746487 is about 540.3227231858.

The spelling of 157746487 in words is "one hundred fifty-seven million, seven hundred forty-six thousand, four hundred eighty-seven".