47198677 has 2 divisors, whose sum is σ = 47198678. Its totient is φ = 47198676.

The previous prime is 47198611. The next prime is 47198687. The reversal of 47198677 is 77689174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24216241 + 22982436 = 4921^2 + 4794^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47198677 is a prime.

It is a super-2 number, since 2×47198677² = 4455430221100658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47198677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47198687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23599338 + 23599339.

It is an arithmetic number, because the mean of its divisors is an integer number (23599339).

Almost surely, 2^47198677 is an apocalyptic number.

It is an amenable number.

47198677 is a deficient number, since it is larger than the sum of its proper divisors (1).

47198677 is an equidigital number, since it uses as much as digits as its factorization.

47198677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 592704, while the sum is 49.

The square root of 47198677 is about 6870.1293292048. The cubic root of 47198677 is about 361.3903972510.

The spelling of 47198677 in words is "forty-seven million, one hundred ninety-eight thousand, six hundred seventy-seven".