76850139 has 16 divisors (see below), whose sum is σ = 104354432. Its totient is φ = 50295168.

The previous prime is 76850119. The next prime is 76850161. The reversal of 76850139 is 93105867.

It is not a de Polignac number, because 76850139 - 2¹⁵ = 76817371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76850097 and 76850106.

It is not an unprimeable number, because it can be changed into a prime (76850119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86592 + ... + 87474.

It is an arithmetic number, because the mean of its divisors is an integer number (6522152).

Almost surely, 2^76850139 is an apocalyptic number.

76850139 is a deficient number, since it is larger than the sum of its proper divisors (27504293).

76850139 is a wasteful number, since it uses less digits than its factorization.

76850139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 76850139 is about 8766.4211055596. The cubic root of 76850139 is about 425.1559086582.

The spelling of 76850139 in words is "seventy-six million, eight hundred fifty thousand, one hundred thirty-nine".