77276030087628 has 36 divisors (see below), whose sum is σ = 206827021706760. Its totient is φ = 24243460419456.

The previous prime is 77276030087623. The next prime is 77276030087653. The reversal of 77276030087628 is 82678003067277.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×77276030087628² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77276030087623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63134010898 + ... + 63134012121.

It is an arithmetic number, because the mean of its divisors is an integer number (5745195047410).

Almost surely, 2^{77276030087628} is an apocalyptic number.

It is an amenable number.

77276030087628 is an abundant number, since it is smaller than the sum of its proper divisors (129550991619132).

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

77276030087628 is a wasteful number, since it uses less digits than its factorization.

77276030087628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126268023046 (or 126268023041 counting only the distinct ones).

The product of its (nonzero) digits is 66382848, while the sum is 63.

The spelling of 77276030087628 in words is "seventy-seven trillion, two hundred seventy-six billion, thirty million, eighty-seven thousand, six hundred twenty-eight".