86634774950 has 12 divisors (see below), whose sum is σ = 161140681500. Its totient is φ = 34653909960.

The previous prime is 86634774823. The next prime is 86634774953. The reversal of 86634774950 is 5947743668.

It is a self number, because there is not a number n which added to its sum of digits gives 86634774950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86634774953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 866347700 + ... + 866347799.

It is an arithmetic number, because the mean of its divisors is an integer number (13428390125).

Almost surely, 2^86634774950 is an apocalyptic number.

86634774950 is a deficient number, since it is larger than the sum of its proper divisors (74505906550).

86634774950 is a wasteful number, since it uses less digits than its factorization.

86634774950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732695511 (or 1732695506 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 59.

The spelling of 86634774950 in words is "eighty-six billion, six hundred thirty-four million, seven hundred seventy-four thousand, nine hundred fifty".