766942047 has 8 divisors (see below), whose sum is σ = 1136210480. Its totient is φ = 511294680.

The previous prime is 766942037. The next prime is 766942067. The reversal of 766942047 is 740249667.

It is not a de Polignac number, because 766942047 - 2⁶ = 766941983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 766941993 and 766942011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766942027) 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, 14202604 + ... + 14202657.

It is an arithmetic number, because the mean of its divisors is an integer number (142026310).

Almost surely, 2^766942047 is an apocalyptic number.

766942047 is a deficient number, since it is larger than the sum of its proper divisors (369268433).

766942047 is a wasteful number, since it uses less digits than its factorization.

766942047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28405270 (or 28405264 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 766942047 is about 27693.7185477140. The cubic root of 766942047 is about 915.3506959920.

The spelling of 766942047 in words is "seven hundred sixty-six million, nine hundred forty-two thousand, forty-seven".