766440224871 has 8 divisors (see below), whose sum is σ = 1021927597680. Its totient is φ = 510956500992.

The previous prime is 766440224839. The next prime is 766440224903. The reversal of 766440224871 is 178422044667.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (766440224839) and next prime (766440224903).

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

It is not a de Polignac number, because 766440224871 - 2⁵ = 766440224839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766440274871) 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, 377316 + ... + 1294313.

It is an arithmetic number, because the mean of its divisors is an integer number (127740949710).

Almost surely, 2^766440224871 is an apocalyptic number.

766440224871 is a deficient number, since it is larger than the sum of its proper divisors (255487372809).

766440224871 is a wasteful number, since it uses less digits than its factorization.

766440224871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824465.

The product of its (nonzero) digits is 3612672, while the sum is 51.

The spelling of 766440224871 in words is "seven hundred sixty-six billion, four hundred forty million, two hundred twenty-four thousand, eight hundred seventy-one".