86421080737 has 8 divisors (see below), whose sum is σ = 88062270120. Its totient is φ = 84780284160.

The previous prime is 86421080723. The next prime is 86421080747. The reversal of 86421080737 is 73708012468.

It can be written as a sum of positive squares in 4 ways, for example, as 50839426576 + 35581654161 = 225476^2 + 188631^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86421080737 - 2¹⁹ = 86420556449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86421080747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366687 + ... + 554347.

It is an arithmetic number, because the mean of its divisors is an integer number (11007783765).

Almost surely, 2^86421080737 is an apocalyptic number.

It is an amenable number.

86421080737 is a deficient number, since it is larger than the sum of its proper divisors (1641189383).

86421080737 is a wasteful number, since it uses less digits than its factorization.

86421080737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196403.

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 86421080737 in words is "eighty-six billion, four hundred twenty-one million, eighty thousand, seven hundred thirty-seven".