77359428 has 24 divisors (see below), whose sum is σ = 200561760. Its totient is φ = 25786440.

The previous prime is 77359427. The next prime is 77359433. The reversal of 77359428 is 82495377.

It is a super-2 number, since 2×77359428² = 11968962200974368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77359421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358038 + ... + 358253.

It is an arithmetic number, because the mean of its divisors is an integer number (8356740).

Almost surely, 2^77359428 is an apocalyptic number.

It is an amenable number.

77359428 is an abundant number, since it is smaller than the sum of its proper divisors (123202332).

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

77359428 is a wasteful number, since it uses less digits than its factorization.

77359428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716304 (or 716296 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 77359428 is about 8795.4208540581. The cubic root of 77359428 is about 426.0930167842.

The spelling of 77359428 in words is "seventy-seven million, three hundred fifty-nine thousand, four hundred twenty-eight".