76748511406 has 32 divisors (see below), whose sum is σ = 139324086720. Its totient is φ = 30953857536.

The previous prime is 76748511391. The next prime is 76748511421. The reversal of 76748511406 is 60411584767.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (76748511391) and next prime (76748511421).

It is a self number, because there is not a number n which added to its sum of digits gives 76748511406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3447760 + ... + 3469948.

It is an arithmetic number, because the mean of its divisors is an integer number (4353877710).

Almost surely, 2^76748511406 is an apocalyptic number.

76748511406 is a deficient number, since it is larger than the sum of its proper divisors (62575575314).

76748511406 is a wasteful number, since it uses less digits than its factorization.

76748511406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36748.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 76748511406 in words is "seventy-six billion, seven hundred forty-eight million, five hundred eleven thousand, four hundred six".