76315777780 has 48 divisors (see below), whose sum is σ = 175497404544. Its totient is φ = 27645653120.

The previous prime is 76315777763. The next prime is 76315777787. The reversal of 76315777780 is 8777751367.

It is a super-3 number, since 3×76315777780³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76315777787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 601627 + ... + 717346.

It is an arithmetic number, because the mean of its divisors is an integer number (3656195928).

Almost surely, 2^76315777780 is an apocalyptic number.

It is an amenable number.

76315777780 is an abundant number, since it is smaller than the sum of its proper divisors (99181626764).

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

76315777780 is a wasteful number, since it uses less digits than its factorization.

76315777780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319256 (or 1319254 counting only the distinct ones).

The product of its (nonzero) digits is 12101040, while the sum is 58.

The spelling of 76315777780 in words is "seventy-six billion, three hundred fifteen million, seven hundred seventy-seven thousand, seven hundred eighty".