86311788650 has 24 divisors (see below), whose sum is σ = 160886708544. Its totient is φ = 34450138800.

The previous prime is 86311788643. The next prime is 86311788671. The reversal of 86311788650 is 5688711368.

It is a junction number, because it is equal to n+sod(n) for n = 86311788592 and 86311788601.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1841036 + ... + 1887335.

It is an arithmetic number, because the mean of its divisors is an integer number (6703612856).

Almost surely, 2^86311788650 is an apocalyptic number.

86311788650 is a deficient number, since it is larger than the sum of its proper divisors (74574919894).

86311788650 is a wasteful number, since it uses less digits than its factorization.

86311788650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728846 (or 3728841 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 86311788650 in words is "eighty-six billion, three hundred eleven million, seven hundred eighty-eight thousand, six hundred fifty".