77860010300000 has 72 divisors (see below), whose sum is σ = 191596356392112. Its totient is φ = 31144004080000.

The previous prime is 77860010299987. The next prime is 77860010300081. The reversal of 77860010300000 is 301006877.

It is a happy number.

It is a super-2 number, since 2×77860010300000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 77860010300000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 389200052 + ... + 389400051.

It is an arithmetic number, because the mean of its divisors is an integer number (2661060505446).

Almost surely, 2^{77860010300000} is an apocalyptic number.

It is an amenable number.

77860010300000 is an abundant number, since it is smaller than the sum of its proper divisors (113736346092112).

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

77860010300000 is an frugal number, since it uses more digits than its factorization.

77860010300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778600138 (or 778600110 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

Adding to 77860010300000 its reverse (301006877), we get a palindrome (77860311306877).

The spelling of 77860010300000 in words is "seventy-seven trillion, eight hundred sixty billion, ten million, three hundred thousand".