76309561047 has 8 divisors (see below), whose sum is σ = 101891228400. Its totient is φ = 50800467200.

The previous prime is 76309561039. The next prime is 76309561049. The reversal of 76309561047 is 74016590367.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76309561047 - 2³ = 76309561039 is a prime.

It is a super-3 number, since 3×76309561047³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 76309560987 and 76309561005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76309561049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18140922 + ... + 18145127.

It is an arithmetic number, because the mean of its divisors is an integer number (12736403550).

Almost surely, 2^76309561047 is an apocalyptic number.

76309561047 is a deficient number, since it is larger than the sum of its proper divisors (25581667353).

76309561047 is a wasteful number, since it uses less digits than its factorization.

76309561047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36286753.

The product of its (nonzero) digits is 952560, while the sum is 48.

The spelling of 76309561047 in words is "seventy-six billion, three hundred nine million, five hundred sixty-one thousand, forty-seven".