98769782961 has 24 divisors (see below), whose sum is σ = 155932568064. Its totient is φ = 59974058880.

The previous prime is 98769782959. The next prime is 98769782987. The reversal of 98769782961 is 16928796789.

It is not a de Polignac number, because 98769782961 - 2¹ = 98769782959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98769782961.

It is not an unprimeable number, because it can be changed into a prime (98769782261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10407421 + ... + 10416906.

It is an arithmetic number, because the mean of its divisors is an integer number (6497190336).

Almost surely, 2^98769782961 is an apocalyptic number.

It is an amenable number.

98769782961 is a deficient number, since it is larger than the sum of its proper divisors (57162785103).

98769782961 is a wasteful number, since it uses less digits than its factorization.

98769782961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20824381 (or 20824378 counting only the distinct ones).

The product of its digits is 164602368, while the sum is 72.

The spelling of 98769782961 in words is "ninety-eight billion, seven hundred sixty-nine million, seven hundred eighty-two thousand, nine hundred sixty-one".