86598719955 has 48 divisors (see below), whose sum is σ = 165993530976. Its totient is φ = 41412072960.

The previous prime is 86598719939. The next prime is 86598719957. The reversal of 86598719955 is 55991789568.

It is not a de Polignac number, because 86598719955 - 2⁴ = 86598719939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86598719957) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1162132 + ... + 1234401.

It is an arithmetic number, because the mean of its divisors is an integer number (3458198562).

Almost surely, 2^86598719955 is an apocalyptic number.

86598719955 is a deficient number, since it is larger than the sum of its proper divisors (79394811021).

86598719955 is a wasteful number, since it uses less digits than its factorization.

86598719955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396628 (or 2396625 counting only the distinct ones).

The product of its digits is 244944000, while the sum is 72.

The spelling of 86598719955 in words is "eighty-six billion, five hundred ninety-eight million, seven hundred nineteen thousand, nine hundred fifty-five".