7720116315672 has 32 divisors (see below), whose sum is σ = 19375389212400. Its totient is φ = 2563358982144.

The previous prime is 7720116315649. The next prime is 7720116315689. The reversal of 7720116315672 is 2765136110277.

It is a super-3 number, since 3×7720116315672³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625813897 + ... + 625826232.

Almost surely, 2^{7720116315672} is an apocalyptic number.

It is an amenable number.

7720116315672 is an abundant number, since it is smaller than the sum of its proper divisors (11655272896728).

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

7720116315672 is a wasteful number, since it uses less digits than its factorization.

7720116315672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251640395 (or 1251640391 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 48.

The spelling of 7720116315672 in words is "seven trillion, seven hundred twenty billion, one hundred sixteen million, three hundred fifteen thousand, six hundred seventy-two".