76851849 has 32 divisors (see below), whose sum is σ = 112613760. Its totient is φ = 46420992.

The previous prime is 76851799. The next prime is 76851857. The reversal of 76851849 is 94815867.

It is not a de Polignac number, because 76851849 - 2¹⁵ = 76819081 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 76851798 and 76851807.

It is not an unprimeable number, because it can be changed into a prime (76851899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262147 + ... + 262439.

It is an arithmetic number, because the mean of its divisors is an integer number (3519180).

Almost surely, 2^76851849 is an apocalyptic number.

It is an amenable number.

76851849 is a deficient number, since it is larger than the sum of its proper divisors (35761911).

76851849 is a wasteful number, since it uses less digits than its factorization.

76851849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489.

The product of its digits is 483840, while the sum is 48.

The square root of 76851849 is about 8766.5186362661. The cubic root of 76851849 is about 425.1590620301.

The spelling of 76851849 in words is "seventy-six million, eight hundred fifty-one thousand, eight hundred forty-nine".