86420712676 has 9 divisors (see below), whose sum is σ = 151237276099. Its totient is φ = 43210062364.

The previous prime is 86420712673. The next prime is 86420712683. The reversal of 86420712676 is 67621702468.

The square root of 86420712676 is 293974.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86420712671) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 514455 + ... + 661441.

Almost surely, 2^86420712676 is an apocalyptic number.

86420712676 is the 293974-th square number.

It is an amenable number.

86420712676 is a deficient number, since it is larger than the sum of its proper divisors (64816563423).

86420712676 is an frugal number, since it uses more digits than its factorization.

86420712676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293978 (or 146989 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 49.

Multiplying 86420712676 by its sum of digits (49), we get a square (4234614921124 = 2057818²).

The spelling of 86420712676 in words is "eighty-six billion, four hundred twenty million, seven hundred twelve thousand, six hundred seventy-six".