761686047 has 24 divisors (see below), whose sum is σ = 1144915200. Its totient is φ = 487560528.

The previous prime is 761685989. The next prime is 761686061. The reversal of 761686047 is 740686167.

It is not a de Polignac number, because 761686047 - 2⁸ = 761685791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 761685993 and 761686011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761686097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6154 + ... + 39512.

It is an arithmetic number, because the mean of its divisors is an integer number (47704800).

Almost surely, 2^761686047 is an apocalyptic number.

761686047 is a deficient number, since it is larger than the sum of its proper divisors (383229153).

761686047 is a wasteful number, since it uses less digits than its factorization.

761686047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33467 (or 33464 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 761686047 is about 27598.6602392218. The cubic root of 761686047 is about 913.2548767417.

It can be divided in two parts, 76168 and 6047, that added together give a triangular number (82215 = T₄₀₅).

The spelling of 761686047 in words is "seven hundred sixty-one million, six hundred eighty-six thousand, forty-seven".