98587778307 has 16 divisors (see below), whose sum is σ = 133699276032. Its totient is φ = 64602249120.

The previous prime is 98587778297. The next prime is 98587778321. The reversal of 98587778307 is 70387778589.

It is not a de Polignac number, because 98587778307 - 2⁴ = 98587778291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98587778347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72378 + ... + 449904.

It is an arithmetic number, because the mean of its divisors is an integer number (8356204752).

Almost surely, 2^98587778307 is an apocalyptic number.

98587778307 is a deficient number, since it is larger than the sum of its proper divisors (35111497725).

98587778307 is a wasteful number, since it uses less digits than its factorization.

98587778307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379018.

The product of its (nonzero) digits is 165957120, while the sum is 69.

The spelling of 98587778307 in words is "ninety-eight billion, five hundred eighty-seven million, seven hundred seventy-eight thousand, three hundred seven".