86442045780 has 96 divisors (see below), whose sum is σ = 252143902080. Its totient is φ = 22107781120.

The previous prime is 86442045743. The next prime is 86442045793. The reversal of 86442045780 is 8754024468.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152649 + ... + 442928.

It is an arithmetic number, because the mean of its divisors is an integer number (2626498980).

Almost surely, 2^86442045780 is an apocalyptic number.

It is an amenable number.

86442045780 is an abundant number, since it is smaller than the sum of its proper divisors (165701856300).

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

86442045780 is a wasteful number, since it uses less digits than its factorization.

86442045780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595689 (or 595687 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 48.

The spelling of 86442045780 in words is "eighty-six billion, four hundred forty-two million, forty-five thousand, seven hundred eighty".