86857720771054 has 8 divisors (see below), whose sum is σ = 132121603426608. Its totient is φ = 42817186295520.

The previous prime is 86857720771033. The next prime is 86857720771057. The reversal of 86857720771054 is 45017702775868.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86857720771057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305837044827 + ... + 305837045110.

It is an arithmetic number, because the mean of its divisors is an integer number (16515200428326).

Almost surely, 2^{86857720771054} is an apocalyptic number.

86857720771054 is a deficient number, since it is larger than the sum of its proper divisors (45263882655554).

86857720771054 is a wasteful number, since it uses less digits than its factorization.

86857720771054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611674090010.

The product of its (nonzero) digits is 184396800, while the sum is 67.

The spelling of 86857720771054 in words is "eighty-six trillion, eight hundred fifty-seven billion, seven hundred twenty million, seven hundred seventy-one thousand, fifty-four".