77162051652 has 72 divisors (see below), whose sum is σ = 210774118464. Its totient is φ = 21905851968.

The previous prime is 77162051641. The next prime is 77162051713. The reversal of 77162051652 is 25615026177.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 325608 + ... + 510239.

It is an arithmetic number, because the mean of its divisors is an integer number (2927418312).

Almost surely, 2^77162051652 is an apocalyptic number.

It is an amenable number.

77162051652 is an abundant number, since it is smaller than the sum of its proper divisors (133612066812).

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

77162051652 is a wasteful number, since it uses less digits than its factorization.

77162051652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836025 (or 836016 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 77162051652 in words is "seventy-seven billion, one hundred sixty-two million, fifty-one thousand, six hundred fifty-two".