157840967 has 2 divisors, whose sum is σ = 157840968. Its totient is φ = 157840966.

The previous prime is 157840909. The next prime is 157840979. The reversal of 157840967 is 769048751.

157840967 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 an emirp because it is prime and its reverse (769048751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157840967 - 2¹⁸ = 157578823 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157843967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78920483 + 78920484.

It is an arithmetic number, because the mean of its divisors is an integer number (78920484).

Almost surely, 2^157840967 is an apocalyptic number.

157840967 is a deficient number, since it is larger than the sum of its proper divisors (1).

157840967 is an equidigital number, since it uses as much as digits as its factorization.

157840967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 157840967 is about 12563.4775042581. The cubic root of 157840967 is about 540.4305745099.

The spelling of 157840967 in words is "one hundred fifty-seven million, eight hundred forty thousand, nine hundred sixty-seven".