77037513771020 has 48 divisors (see below), whose sum is σ = 179379152811936. Its totient is φ = 27554401344000.

The previous prime is 77037513771013. The next prime is 77037513771037. The reversal of 77037513771020 is 2017731573077.

It is a super-2 number, since 2×77037513771020² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 77037513771020.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2870236721 + ... + 2870263560.

It is an arithmetic number, because the mean of its divisors is an integer number (3737065683582).

Almost surely, 2^{77037513771020} is an apocalyptic number.

It is an amenable number.

77037513771020 is an abundant number, since it is smaller than the sum of its proper divisors (102341639040916).

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

77037513771020 is a wasteful number, since it uses less digits than its factorization.

77037513771020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5740500362 (or 5740500360 counting only the distinct ones).

The product of its (nonzero) digits is 1512630, while the sum is 50.

The spelling of 77037513771020 in words is "seventy-seven trillion, thirty-seven billion, five hundred thirteen million, seven hundred seventy-one thousand, twenty".