77292010012 has 48 divisors (see below), whose sum is σ = 157291223040. Its totient is φ = 32545656000.

The previous prime is 77292010001. The next prime is 77292010021. The reversal of 77292010012 is 21001029277.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3211062 + ... + 3235042.

It is an arithmetic number, because the mean of its divisors is an integer number (3276900480).

Almost surely, 2^77292010012 is an apocalyptic number.

It is an amenable number.

77292010012 is an abundant number, since it is smaller than the sum of its proper divisors (79999213028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77292010012 is a wasteful number, since it uses less digits than its factorization.

77292010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26002 (or 26000 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 31.

Adding to 77292010012 its reverse (21001029277), we get a palindrome (98293039289).

The spelling of 77292010012 in words is "seventy-seven billion, two hundred ninety-two million, ten thousand, twelve".