7770156796416 has 1280 divisors, whose sum is σ = 27848331878400. Its totient is φ = 1870430994432.

The previous prime is 7770156796357. The next prime is 7770156796459. The reversal of 7770156796416 is 6146976510777.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7109017566 + ... + 7109018658.

It is an arithmetic number, because the mean of its divisors is an integer number (21756509280).

Almost surely, 2^{7770156796416} is an apocalyptic number.

7770156796416 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7770156796416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13924165939200).

7770156796416 is an abundant number, since it is smaller than the sum of its proper divisors (20078175081984).

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

7770156796416 is a wasteful number, since it uses less digits than its factorization.

7770156796416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269 (or 1253 counting only the distinct ones).

The product of its (nonzero) digits is 93350880, while the sum is 66.

The spelling of 7770156796416 in words is "seven trillion, seven hundred seventy billion, one hundred fifty-six million, seven hundred ninety-six thousand, four hundred sixteen".