86219485250 has 16 divisors (see below), whose sum is σ = 161402876856. Its totient is φ = 34487794000.

The previous prime is 86219485241. The next prime is 86219485277. The reversal of 86219485250 is 5258491268.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 53162063761 + 33057421489 = 230569^2 + 181817^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172438721 + ... + 172439220.

Almost surely, 2^86219485250 is an apocalyptic number.

86219485250 is a deficient number, since it is larger than the sum of its proper divisors (75183391606).

86219485250 is a wasteful number, since it uses less digits than its factorization.

86219485250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344877958 (or 344877948 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 50.

The spelling of 86219485250 in words is "eighty-six billion, two hundred nineteen million, four hundred eighty-five thousand, two hundred fifty".