76853131 has 4 divisors (see below), whose sum is σ = 78488352. Its totient is φ = 75217912.

The previous prime is 76853099. The next prime is 76853149. The reversal of 76853131 is 13135867.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13135867 = 41 ⋅320387.

It is a cyclic number.

It is not a de Polignac number, because 76853131 - 2⁵ = 76853099 is a prime.

It is a super-2 number, since 2×76853131² = 11812807489006322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76853171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817540 + ... + 817633.

It is an arithmetic number, because the mean of its divisors is an integer number (19622088).

Almost surely, 2^76853131 is an apocalyptic number.

76853131 is a deficient number, since it is larger than the sum of its proper divisors (1635221).

76853131 is a wasteful number, since it uses less digits than its factorization.

76853131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635220.

The product of its digits is 15120, while the sum is 34.

The square root of 76853131 is about 8766.5917550665. The cubic root of 76853131 is about 425.1614261063.

Adding to 76853131 its reverse (13135867), we get a palindrome (89988998).

It can be divided in two parts, 7685 and 3131, that added together give a square (10816 = 104²).

The spelling of 76853131 in words is "seventy-six million, eight hundred fifty-three thousand, one hundred thirty-one".