77413828 has 24 divisors (see below), whose sum is σ = 143377920. Its totient is φ = 36470880.

The previous prime is 77413783. The next prime is 77413829. The reversal of 77413828 is 82831477.

It is a super-2 number, since 2×77413828² = 11985801531227168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77413829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11850 + ... + 17182.

It is an arithmetic number, because the mean of its divisors is an integer number (5974080).

Almost surely, 2^77413828 is an apocalyptic number.

It is an amenable number.

77413828 is a deficient number, since it is larger than the sum of its proper divisors (65964092).

77413828 is a wasteful number, since it uses less digits than its factorization.

77413828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5547 (or 5545 counting only the distinct ones).

The product of its digits is 75264, while the sum is 40.

The square root of 77413828 is about 8798.5128288819. The cubic root of 77413828 is about 426.1928711458.

The spelling of 77413828 in words is "seventy-seven million, four hundred thirteen thousand, eight hundred twenty-eight".