98154487 has 2 divisors, whose sum is σ = 98154488. Its totient is φ = 98154486.

The previous prime is 98154479. The next prime is 98154499. The reversal of 98154487 is 78445189.

It is a weak prime.

It is an emirp because it is prime and its reverse (78445189) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98154487 - 2³ = 98154479 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98154187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49077243 + 49077244.

It is an arithmetic number, because the mean of its divisors is an integer number (49077244).

Almost surely, 2^98154487 is an apocalyptic number.

98154487 is a deficient number, since it is larger than the sum of its proper divisors (1).

98154487 is an equidigital number, since it uses as much as digits as its factorization.

98154487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 46.

The square root of 98154487 is about 9907.2946357722. The cubic root of 98154487 is about 461.2857647618.

The spelling of 98154487 in words is "ninety-eight million, one hundred fifty-four thousand, four hundred eighty-seven".