98767878 has 32 divisors (see below), whose sum is σ = 216103680.
Its totient is φ = 29844960.
The previous prime is 98767873. The next prime is 98767883. The reversal of 98767878 is 87876789.
98767878 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.
It is an interprime number because it is at equal distance from previous prime (98767873) and next prime (98767883).
It is an alternating number because its digits alternate between odd and even.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (98767873) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23751 + ... + 27597.
It is an arithmetic number, because the mean of its divisors is an integer number (6753240).
Almost surely, 298767878 is an apocalyptic number.
98767878 is an abundant number, since it is smaller than the sum of its proper divisors (117335802).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
98767878 is a wasteful number, since it uses less digits than its factorization.
98767878 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4252.
The product of its digits is 9483264, while the sum is 60.
The square root of 98767878 is about 9938.2029562693.
The cubic root of 98767878 is about 462.2446652953.
The spelling of 98767878 in words is "ninety-eight million, seven hundred sixty-seven thousand, eight hundred seventy-eight".