98407791 has 20 divisors (see below), whose sum is σ = 149206552. Its totient is φ = 64622448.

The previous prime is 98407789. The next prime is 98407807. The reversal of 98407791 is 19770489.

It is not a de Polignac number, because 98407791 - 2¹ = 98407789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98407711) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3640 + ... + 14493.

Almost surely, 2^98407791 is an apocalyptic number.

98407791 is a deficient number, since it is larger than the sum of its proper divisors (50798761).

98407791 is a wasteful number, since it uses less digits than its factorization.

98407791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18212 (or 18203 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 98407791 is about 9920.0701106393. The cubic root of 98407791 is about 461.6822321527.

The spelling of 98407791 in words is "ninety-eight million, four hundred seven thousand, seven hundred ninety-one".