84098278747 has 12 divisors (see below), whose sum is σ = 97833767160. Its totient is φ = 72080438976.

The previous prime is 84098278721. The next prime is 84098278751. The reversal of 84098278747 is 74787289048.

It is not a de Polignac number, because 84098278747 - 2³¹ = 81950795099 is a prime.

It is a super-2 number, since 2×84098278747² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84098270747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1294579 + ... + 1357987.

It is an arithmetic number, because the mean of its divisors is an integer number (8152813930).

Almost surely, 2^84098278747 is an apocalyptic number.

84098278747 is a deficient number, since it is larger than the sum of its proper divisors (13735488413).

84098278747 is a wasteful number, since it uses less digits than its factorization.

84098278747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90490 (or 90483 counting only the distinct ones).

The product of its (nonzero) digits is 50577408, while the sum is 64.

The spelling of 84098278747 in words is "eighty-four billion, ninety-eight million, two hundred seventy-eight thousand, seven hundred forty-seven".