98351779 has 4 divisors (see below), whose sum is σ = 99819784. Its totient is φ = 96883776.

The previous prime is 98351767. The next prime is 98351791. The reversal of 98351779 is 97715389.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (98351767) and next prime (98351791).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98351779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98351179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733902 + ... + 734035.

It is an arithmetic number, because the mean of its divisors is an integer number (24954946).

Almost surely, 2^98351779 is an apocalyptic number.

98351779 is a deficient number, since it is larger than the sum of its proper divisors (1468005).

98351779 is a wasteful number, since it uses less digits than its factorization.

98351779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468004.

The product of its digits is 476280, while the sum is 49.

The square root of 98351779 is about 9917.2465432700. The cubic root of 98351779 is about 461.5946217010.

The spelling of 98351779 in words is "ninety-eight million, three hundred fifty-one thousand, seven hundred seventy-nine".