766540262125 has 16 divisors (see below), whose sum is σ = 1043609726016. Its totient is φ = 557483826000.

The previous prime is 766540262119. The next prime is 766540262153. The reversal of 766540262125 is 521262045667.

It is a happy number.

It is not a de Polignac number, because 766540262125 - 2⁷ = 766540261997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278740539 + ... + 278743288.

It is an arithmetic number, because the mean of its divisors is an integer number (65225607876).

Almost surely, 2^766540262125 is an apocalyptic number.

It is an amenable number.

766540262125 is a deficient number, since it is larger than the sum of its proper divisors (277069463891).

766540262125 is a wasteful number, since it uses less digits than its factorization.

766540262125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557483853 (or 557483843 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 766540262125 in words is "seven hundred sixty-six billion, five hundred forty million, two hundred sixty-two thousand, one hundred twenty-five".