98541210778 has 4 divisors (see below), whose sum is σ = 147811816170. Its totient is φ = 49270605388.

The previous prime is 98541210763. The next prime is 98541210793. The reversal of 98541210778 is 87701214589.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87701214589 = 37 ⋅2370303097.

It is an interprime number because it is at equal distance from previous prime (98541210763) and next prime (98541210793).

It can be written as a sum of positive squares in only one way, i.e., 98336806569 + 204404209 = 313587^2 + 14297^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24635302693 + ... + 24635302696.

Almost surely, 2^98541210778 is an apocalyptic number.

98541210778 is a deficient number, since it is larger than the sum of its proper divisors (49270605392).

98541210778 is a wasteful number, since it uses less digits than its factorization.

98541210778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49270605391.

The product of its (nonzero) digits is 1128960, while the sum is 52.

The spelling of 98541210778 in words is "ninety-eight billion, five hundred forty-one million, two hundred ten thousand, seven hundred seventy-eight".