77011372 has 6 divisors (see below), whose sum is σ = 134769908. Its totient is φ = 38505684.

The previous prime is 77011369. The next prime is 77011379. The reversal of 77011372 is 27311077.

It is a self number, because there is not a number n which added to its sum of digits gives 77011372.

It is not an unprimeable number, because it can be changed into a prime (77011379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9626418 + ... + 9626425.

Almost surely, 2^77011372 is an apocalyptic number.

It is an amenable number.

77011372 is a deficient number, since it is larger than the sum of its proper divisors (57758536).

77011372 is a wasteful number, since it uses less digits than its factorization.

77011372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19252847 (or 19252845 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 28.

The square root of 77011372 is about 8775.6123433069. The cubic root of 77011372 is about 425.4530292627.

The spelling of 77011372 in words is "seventy-seven million, eleven thousand, three hundred seventy-two".