76791953 has 4 divisors (see below), whose sum is σ = 87762240. Its totient is φ = 65821668.

The previous prime is 76791943. The next prime is 76791989. The reversal of 76791953 is 35919767.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 76791953 - 2⁶ = 76791889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 76791898 and 76791907.

It is not an unprimeable number, because it can be changed into a prime (76791943) 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, 5485133 + ... + 5485146.

It is an arithmetic number, because the mean of its divisors is an integer number (21940560).

Almost surely, 2^76791953 is an apocalyptic number.

It is an amenable number.

76791953 is a deficient number, since it is larger than the sum of its proper divisors (10970287).

76791953 is a wasteful number, since it uses less digits than its factorization.

76791953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10970286.

The product of its digits is 357210, while the sum is 47.

The square root of 76791953 is about 8763.1017910327. The cubic root of 76791953 is about 425.0485812977.

The spelling of 76791953 in words is "seventy-six million, seven hundred ninety-one thousand, nine hundred fifty-three".