98912215977 has 8 divisors (see below), whose sum is σ = 133851357216. Its totient is φ = 64957276032.

The previous prime is 98912215973. The next prime is 98912216021. The reversal of 98912215977 is 77951221989.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 98912215977 - 2² = 98912215973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98912215977.

It is not an unprimeable number, because it can be changed into a prime (98912215973) 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 7 ways as a sum of consecutive naturals, for example, 246050088 + ... + 246050489.

It is an arithmetic number, because the mean of its divisors is an integer number (16731419652).

Almost surely, 2^98912215977 is an apocalyptic number.

It is an amenable number.

98912215977 is a deficient number, since it is larger than the sum of its proper divisors (34939141239).

98912215977 is a wasteful number, since it uses less digits than its factorization.

98912215977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492100647.

The product of its digits is 5715360, while the sum is 60.

The spelling of 98912215977 in words is "ninety-eight billion, nine hundred twelve million, two hundred fifteen thousand, nine hundred seventy-seven".