98108551 has 2 divisors, whose sum is σ = 98108552. Its totient is φ = 98108550.

The previous prime is 98108519. The next prime is 98108567. The reversal of 98108551 is 15580189.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98108551 - 2⁵ = 98108519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98108551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98105551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49054275 + 49054276.

It is an arithmetic number, because the mean of its divisors is an integer number (49054276).

Almost surely, 2^98108551 is an apocalyptic number.

98108551 is a deficient number, since it is larger than the sum of its proper divisors (1).

98108551 is an equidigital number, since it uses as much as digits as its factorization.

98108551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 37.

The square root of 98108551 is about 9904.9760726617. The cubic root of 98108551 is about 461.2137934237.

The spelling of 98108551 in words is "ninety-eight million, one hundred eight thousand, five hundred fifty-one".