7850386134 has 16 divisors (see below), whose sum is σ = 17445302640. Its totient is φ = 2616795360.

The previous prime is 7850386127. The next prime is 7850386169. The reversal of 7850386134 is 4316830587.

7850386134 is a `hidden beast` number, since 7 + 8 + 503 + 8 + 6 + 134 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 7850386134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72688707 + ... + 72688814.

It is an arithmetic number, because the mean of its divisors is an integer number (1090331415).

Almost surely, 2^7850386134 is an apocalyptic number.

7850386134 is an abundant number, since it is smaller than the sum of its proper divisors (9594916506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7850386134 is a wasteful number, since it uses less digits than its factorization.

7850386134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145377532 (or 145377526 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 7850386134 is about 88602.4047867777. The cubic root of 7850386134 is about 1987.4536367967.

The spelling of 7850386134 in words is "seven billion, eight hundred fifty million, three hundred eighty-six thousand, one hundred thirty-four".