98136187378783 has 4 divisors (see below), whose sum is σ = 98136207238968. Its totient is φ = 98136167518600.

The previous prime is 98136187378763. The next prime is 98136187378787. The reversal of 98136187378783 is 38787378163189.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98136187378783 is a prime.

It is a super-2 number, since 2×98136187378783² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98136187378787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3936108 + ... + 14552158.

It is an arithmetic number, because the mean of its divisors is an integer number (24534051809742).

Almost surely, 2^{98136187378783} is an apocalyptic number.

98136187378783 is a deficient number, since it is larger than the sum of its proper divisors (19860185).

98136187378783 is a wasteful number, since it uses less digits than its factorization.

98136187378783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19860184.

The product of its digits is 2048385024, while the sum is 79.

The spelling of 98136187378783 in words is "ninety-eight trillion, one hundred thirty-six billion, one hundred eighty-seven million, three hundred seventy-eight thousand, seven hundred eighty-three".