76858849 has 16 divisors (see below), whose sum is σ = 80372736. Its totient is φ = 73458000.

The previous prime is 76858829. The next prime is 76858861. The reversal of 76858849 is 94885867.

It is a cyclic number.

It is not a de Polignac number, because 76858849 - 2⁷ = 76858721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76858849.

It is not an unprimeable number, because it can be changed into a prime (76858829) 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, 508924 + ... + 509074.

It is an arithmetic number, because the mean of its divisors is an integer number (5023296).

Almost surely, 2^76858849 is an apocalyptic number.

It is an amenable number.

76858849 is a deficient number, since it is larger than the sum of its proper divisors (3513887).

76858849 is a wasteful number, since it uses less digits than its factorization.

76858849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396.

The product of its digits is 3870720, while the sum is 55.

The square root of 76858849 is about 8766.9178734604. The cubic root of 76858849 is about 425.1719700825.

The spelling of 76858849 in words is "seventy-six million, eight hundred fifty-eight thousand, eight hundred forty-nine".