78798752598498 has 16 divisors (see below), whose sum is σ = 165892110733920. Its totient is φ = 24883816610016.

The previous prime is 78798752598437. The next prime is 78798752598541. The reversal of 78798752598498 is 89489525789787.

It is a happy number.

It is a super-2 number, since 2×78798752598498² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345608563915 + ... + 345608564142.

It is an arithmetic number, because the mean of its divisors is an integer number (10368256920870).

Almost surely, 2^{78798752598498} is an apocalyptic number.

78798752598498 is an abundant number, since it is smaller than the sum of its proper divisors (87093358135422).

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

78798752598498 is a wasteful number, since it uses less digits than its factorization.

78798752598498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691217128081.

The product of its digits is 204838502400, while the sum is 96.

The spelling of 78798752598498 in words is "seventy-eight trillion, seven hundred ninety-eight billion, seven hundred fifty-two million, five hundred ninety-eight thousand, four hundred ninety-eight".