47098157 has 2 divisors, whose sum is σ = 47098158. Its totient is φ = 47098156.

The previous prime is 47098147. The next prime is 47098159. The reversal of 47098157 is 75189074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44769481 + 2328676 = 6691^2 + 1526^2 .

It is a cyclic number.

It is not a de Polignac number, because 47098157 - 2¹⁰ = 47097133 is a prime.

Together with 47098159, 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 (47098159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23549078 + 23549079.

It is an arithmetic number, because the mean of its divisors is an integer number (23549079).

Almost surely, 2^47098157 is an apocalyptic number.

It is an amenable number.

47098157 is a deficient number, since it is larger than the sum of its proper divisors (1).

47098157 is an equidigital number, since it uses as much as digits as its factorization.

47098157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 47098157 is about 6862.8097015727. The cubic root of 47098157 is about 361.1336613680.

The spelling of 47098157 in words is "forty-seven million, ninety-eight thousand, one hundred fifty-seven".