77020415232772 has 96 divisors (see below), whose sum is σ = 148089252907008. Its totient is φ = 34759968000000.

The previous prime is 77020415232751. The next prime is 77020415232781. The reversal of 77020415232772 is 27723251402077.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19192725438 + ... + 19192729450.

It is an arithmetic number, because the mean of its divisors is an integer number (1542596384448).

Almost surely, 2^{77020415232772} is an apocalyptic number.

It is an amenable number.

77020415232772 is a deficient number, since it is larger than the sum of its proper divisors (71068837674236).

77020415232772 is a wasteful number, since it uses less digits than its factorization.

77020415232772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7981 (or 7979 counting only the distinct ones).

The product of its (nonzero) digits is 2304960, while the sum is 49.

The spelling of 77020415232772 in words is "seventy-seven trillion, twenty billion, four hundred fifteen million, two hundred thirty-two thousand, seven hundred seventy-two".