84469599865 has 32 divisors (see below), whose sum is σ = 118699257600. Its totient is φ = 57681388800.

The previous prime is 84469599833. The next prime is 84469599869. The reversal of 84469599865 is 56899596448.

It is not a de Polignac number, because 84469599865 - 2⁵ = 84469599833 is a prime.

It is a super-2 number, since 2×84469599865² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84469599869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 311130 + ... + 515500.

It is an arithmetic number, because the mean of its divisors is an integer number (3709351800).

Almost surely, 2^84469599865 is an apocalyptic number.

It is an amenable number.

84469599865 is a deficient number, since it is larger than the sum of its proper divisors (34229657735).

84469599865 is a wasteful number, since it uses less digits than its factorization.

84469599865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204638 (or 204624 counting only the distinct ones).

The product of its digits is 671846400, while the sum is 73.

The spelling of 84469599865 in words is "eighty-four billion, four hundred sixty-nine million, five hundred ninety-nine thousand, eight hundred sixty-five".