86307750261 has 24 divisors (see below), whose sum is σ = 129401650560. Its totient is φ = 57486156192.

The previous prime is 86307750247. The next prime is 86307750271. The reversal of 86307750261 is 16205770368.

86307750261 is a `hidden beast` number, since 8 + 630 + 7 + 7 + 5 + 0 + 2 + 6 + 1 = 666.

It is not a de Polignac number, because 86307750261 - 2⁶ = 86307750197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86307750241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107025 + ... + 429033.

It is an arithmetic number, because the mean of its divisors is an integer number (5391735440).

Almost surely, 2^86307750261 is an apocalyptic number.

86307750261 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

86307750261 is a deficient number, since it is larger than the sum of its proper divisors (43093900299).

86307750261 is a wasteful number, since it uses less digits than its factorization.

86307750261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323127 (or 323115 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 86307750261 in words is "eighty-six billion, three hundred seven million, seven hundred fifty thousand, two hundred sixty-one".