86278774783061 has 8 divisors (see below), whose sum is σ = 99852469912320. Its totient is φ = 73017118622448.

The previous prime is 86278774783051. The next prime is 86278774783081. The reversal of 86278774783061 is 16038747787268.

It is a happy number.

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

It is not a de Polignac number, because 86278774783061 - 2⁶ = 86278774782997 is a prime.

It is a super-2 number, since 2×86278774783061² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86278774783061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86278774783031) 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, 78009741566 + ... + 78009742671.

It is an arithmetic number, because the mean of its divisors is an integer number (12481558739040).

Almost surely, 2^{86278774783061} is an apocalyptic number.

It is an amenable number.

86278774783061 is a deficient number, since it is larger than the sum of its proper divisors (13573695129259).

86278774783061 is a wasteful number, since it uses less digits than its factorization.

86278774783061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156019484323.

The product of its (nonzero) digits is 1062125568, while the sum is 74.

The spelling of 86278774783061 in words is "eighty-six trillion, two hundred seventy-eight billion, seven hundred seventy-four million, seven hundred eighty-three thousand, sixty-one".