85477770098 has 8 divisors (see below), whose sum is σ = 146533320192. Its totient is φ = 36633330036.

The previous prime is 85477770097. The next prime is 85477770121. The reversal of 85477770098 is 89007777458.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 85477770098.

It is not an unprimeable number, because it can be changed into a prime (85477770097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3052777490 + ... + 3052777517.

It is an arithmetic number, because the mean of its divisors is an integer number (18316665024).

Almost surely, 2^85477770098 is an apocalyptic number.

85477770098 is a deficient number, since it is larger than the sum of its proper divisors (61055550094).

85477770098 is a wasteful number, since it uses less digits than its factorization.

85477770098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105555016.

The product of its (nonzero) digits is 27659520, while the sum is 62.

The spelling of 85477770098 in words is "eighty-five billion, four hundred seventy-seven million, seven hundred seventy thousand, ninety-eight".