86510744450 has 48 divisors (see below), whose sum is σ = 174391624680. Its totient is φ = 31738936320.

The previous prime is 86510744449. The next prime is 86510744461. The reversal of 86510744450 is 5444701568.

It can be written as a sum of positive squares in 12 ways, for example, as 556818409 + 85953926041 = 23597^2 + 293179^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321815 + ... + 525914.

Almost surely, 2^86510744450 is an apocalyptic number.

86510744450 is an abundant number, since it is smaller than the sum of its proper divisors (87880880230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86510744450 is a wasteful number, since it uses less digits than its factorization.

86510744450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847911 (or 847906 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 44.

The spelling of 86510744450 in words is "eighty-six billion, five hundred ten million, seven hundred forty-four thousand, four hundred fifty".