77411664 has 60 divisors (see below), whose sum is σ = 236344992. Its totient is φ = 23457600.

The previous prime is 77411657. The next prime is 77411689. The reversal of 77411664 is 46611477.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22852 + ... + 26019.

Almost surely, 2^77411664 is an apocalyptic number.

It is an amenable number.

77411664 is an abundant number, since it is smaller than the sum of its proper divisors (158933328).

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

77411664 is a wasteful number, since it uses less digits than its factorization.

77411664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48896 (or 48887 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 77411664 is about 8798.3898526946. The cubic root of 77411664 is about 426.1888998916.

The spelling of 77411664 in words is "seventy-seven million, four hundred eleven thousand, six hundred sixty-four".