86785997950 has 12 divisors (see below), whose sum is σ = 161421956280. Its totient is φ = 34714399160.

The previous prime is 86785997933. The next prime is 86785997971. The reversal of 86785997950 is 5979958768.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 867859930 + ... + 867860029.

It is an arithmetic number, because the mean of its divisors is an integer number (13451829690).

Almost surely, 2^86785997950 is an apocalyptic number.

86785997950 is a deficient number, since it is larger than the sum of its proper divisors (74635958330).

86785997950 is a wasteful number, since it uses less digits than its factorization.

86785997950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735719971 (or 1735719966 counting only the distinct ones).

The product of its (nonzero) digits is 342921600, while the sum is 73.

The spelling of 86785997950 in words is "eighty-six billion, seven hundred eighty-five million, nine hundred ninety-seven thousand, nine hundred fifty".