98678704981 has 8 divisors (see below), whose sum is σ = 99819961344. Its totient is φ = 97540669200.

The previous prime is 98678704973. The next prime is 98678704991. The reversal of 98678704981 is 18940787689.

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

It is not a de Polignac number, because 98678704981 - 2³ = 98678704973 is a prime.

It is a super-2 number, since 2×98678704981² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98678704991) 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, 743485 + ... + 866098.

It is an arithmetic number, because the mean of its divisors is an integer number (12477495168).

Almost surely, 2^98678704981 is an apocalyptic number.

It is an amenable number.

98678704981 is a deficient number, since it is larger than the sum of its proper divisors (1141256363).

98678704981 is a wasteful number, since it uses less digits than its factorization.

98678704981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610291.

The product of its (nonzero) digits is 48771072, while the sum is 67.

The spelling of 98678704981 in words is "ninety-eight billion, six hundred seventy-eight million, seven hundred four thousand, nine hundred eighty-one".