766980427 has 8 divisors (see below), whose sum is σ = 780608000. Its totient is φ = 753450984.

The previous prime is 766980419. The next prime is 766980439. The reversal of 766980427 is 724089667.

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 766980427 - 2³ = 766980419 is a prime.

It is a super-2 number, since 2×766980427² = 1176517950802204658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766980407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8673 + ... + 40114.

It is an arithmetic number, because the mean of its divisors is an integer number (97576000).

Almost surely, 2^766980427 is an apocalyptic number.

766980427 is a deficient number, since it is larger than the sum of its proper divisors (13627573).

766980427 is a wasteful number, since it uses less digits than its factorization.

766980427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49065.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 766980427 is about 27694.4114759639. The cubic root of 766980427 is about 915.3659646701.

The spelling of 766980427 in words is "seven hundred sixty-six million, nine hundred eighty thousand, four hundred twenty-seven".