77615826106616 has 16 divisors (see below), whose sum is σ = 166319627371440. Its totient is φ = 33263925474240.

The previous prime is 77615826106613. The next prime is 77615826106661. The reversal of 77615826106616 is 61660162851677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77615826106613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692998447325 + ... + 692998447436.

It is an arithmetic number, because the mean of its divisors is an integer number (10394976710715).

Almost surely, 2^{77615826106616} is an apocalyptic number.

It is an amenable number.

77615826106616 is an abundant number, since it is smaller than the sum of its proper divisors (88703801264824).

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

77615826106616 is a wasteful number, since it uses less digits than its factorization.

77615826106616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385996894774 (or 1385996894770 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 62.

The spelling of 77615826106616 in words is "seventy-seven trillion, six hundred fifteen billion, eight hundred twenty-six million, one hundred six thousand, six hundred sixteen".