86346461780 has 24 divisors (see below), whose sum is σ = 190871126880. Its totient is φ = 32720764320.

The previous prime is 86346461777. The next prime is 86346461867. The reversal of 86346461780 is 8716464368.

It is a super-2 number, since 2×86346461780² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113613386 + ... + 113614145.

It is an arithmetic number, because the mean of its divisors is an integer number (7952963620).

Almost surely, 2^86346461780 is an apocalyptic number.

It is an amenable number.

86346461780 is an abundant number, since it is smaller than the sum of its proper divisors (104524665100).

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

86346461780 is a wasteful number, since it uses less digits than its factorization.

86346461780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227227559 (or 227227557 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 53.

The spelling of 86346461780 in words is "eighty-six billion, three hundred forty-six million, four hundred sixty-one thousand, seven hundred eighty".