86421346196770 has 64 divisors (see below), whose sum is σ = 179808682848480. Its totient is φ = 29620992688128.

The previous prime is 86421346196681. The next prime is 86421346196831. The reversal of 86421346196770 is 7769164312468.

It can be written as a sum of positive squares in 16 ways, for example, as 7975410901929 + 78445935294841 = 2824077^2 + 8856971^2 .

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, 267678955 + ... + 268001614.

Almost surely, 2^{86421346196770} is an apocalyptic number.

86421346196770 is an abundant number, since it is smaller than the sum of its proper divisors (93387336651710).

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

86421346196770 is a wasteful number, since it uses less digits than its factorization.

86421346196770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535680679.

The product of its (nonzero) digits is 73156608, while the sum is 64.

The spelling of 86421346196770 in words is "eighty-six trillion, four hundred twenty-one billion, three hundred forty-six million, one hundred ninety-six thousand, seven hundred seventy".