98872865978 has 8 divisors (see below), whose sum is σ = 148312023840. Its totient is φ = 49435524700.

The previous prime is 98872865899. The next prime is 98872865983. The reversal of 98872865978 is 87956827889.

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

It is a junction number, because it is equal to n+sod(n) for n = 98872865899 and 98872865908.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308768 + ... + 541371.

It is an arithmetic number, because the mean of its divisors is an integer number (18539002980).

Almost surely, 2^98872865978 is an apocalyptic number.

98872865978 is a deficient number, since it is larger than the sum of its proper divisors (49439157862).

98872865978 is a wasteful number, since it uses less digits than its factorization.

98872865978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908292.

The product of its digits is 975421440, while the sum is 77.

The spelling of 98872865978 in words is "ninety-eight billion, eight hundred seventy-two million, eight hundred sixty-five thousand, nine hundred seventy-eight".