98061878686 has 16 divisors (see below), whose sum is σ = 148256892000. Its totient is φ = 48643701088.

The previous prime is 98061878659. The next prime is 98061878687. The reversal of 98061878686 is 68687816089.

It is a super-2 number, since 2×98061878686² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98061878687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53916 + ... + 446128.

It is an arithmetic number, because the mean of its divisors is an integer number (9266055750).

Almost surely, 2^98061878686 is an apocalyptic number.

98061878686 is a deficient number, since it is larger than the sum of its proper divisors (50195013314).

98061878686 is a wasteful number, since it uses less digits than its factorization.

98061878686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393203.

The product of its (nonzero) digits is 55738368, while the sum is 67.

The spelling of 98061878686 in words is "ninety-eight billion, sixty-one million, eight hundred seventy-eight thousand, six hundred eighty-six".