98142791 has 2 divisors, whose sum is σ = 98142792. Its totient is φ = 98142790.

The previous prime is 98142787. The next prime is 98142797. The reversal of 98142791 is 19724189.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98142791 - 2² = 98142787 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 (98142797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49071395 + 49071396.

It is an arithmetic number, because the mean of its divisors is an integer number (49071396).

Almost surely, 2^98142791 is an apocalyptic number.

98142791 is a deficient number, since it is larger than the sum of its proper divisors (1).

98142791 is an equidigital number, since it uses as much as digits as its factorization.

98142791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 41.

The square root of 98142791 is about 9906.7043460477. The cubic root of 98142791 is about 461.2674419023.

The spelling of 98142791 in words is "ninety-eight million, one hundred forty-two thousand, seven hundred ninety-one".