76853457 has 6 divisors (see below), whose sum is σ = 111010562. Its totient is φ = 51235632.

The previous prime is 76853449. The next prime is 76853467. The reversal of 76853457 is 75435867.

76853457 is a `hidden beast` number, since 7 + 68 + 534 + 57 = 666.

It can be written as a sum of positive squares in only one way, i.e., 74494161 + 2359296 = 8631^2 + 1536^2 .

It is not a de Polignac number, because 76853457 - 2³ = 76853449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76853417) 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 5 ways as a sum of consecutive naturals, for example, 4269628 + ... + 4269645.

Almost surely, 2^76853457 is an apocalyptic number.

It is an amenable number.

76853457 is a deficient number, since it is larger than the sum of its proper divisors (34157105).

76853457 is a wasteful number, since it uses less digits than its factorization.

76853457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8539279 (or 8539276 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 76853457 is about 8766.6103483616. The cubic root of 76853457 is about 425.1620272635.

The spelling of 76853457 in words is "seventy-six million, eight hundred fifty-three thousand, four hundred fifty-seven".