998087460078 has 32 divisors (see below), whose sum is σ = 2023110604800. Its totient is φ = 328213488096.

The previous prime is 998087460023. The next prime is 998087460127. The reversal of 998087460078 is 870064780899.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292998 + ... + 1442921.

It is an arithmetic number, because the mean of its divisors is an integer number (63222206400).

Almost surely, 2^998087460078 is an apocalyptic number.

998087460078 is an abundant number, since it is smaller than the sum of its proper divisors (1025023144722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

998087460078 is a wasteful number, since it uses less digits than its factorization.

998087460078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737216.

The product of its (nonzero) digits is 48771072, while the sum is 66.

The spelling of 998087460078 in words is "nine hundred ninety-eight billion, eighty-seven million, four hundred sixty thousand, seventy-eight".