98912991019807 has 16 divisors (see below), whose sum is σ = 99468916259328. Its totient is φ = 98358506796960.

The previous prime is 98912991019783. The next prime is 98912991019849. The reversal of 98912991019807 is 70891019921989.

It is a cyclic number.

It is not a de Polignac number, because 98912991019807 - 2²⁷ = 98912856802079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98912991019807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98912991014807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 679914558 + ... + 680060020.

It is an arithmetic number, because the mean of its divisors is an integer number (6216807266208).

Almost surely, 2^{98912991019807} is an apocalyptic number.

98912991019807 is a deficient number, since it is larger than the sum of its proper divisors (555925239521).

98912991019807 is a wasteful number, since it uses less digits than its factorization.

98912991019807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150390.

The product of its (nonzero) digits is 52907904, while the sum is 73.

The spelling of 98912991019807 in words is "ninety-eight trillion, nine hundred twelve billion, nine hundred ninety-one million, nineteen thousand, eight hundred seven".