77157304 has 64 divisors (see below), whose sum is σ = 169905600. Its totient is φ = 32169984.

The previous prime is 77157293. The next prime is 77157307. The reversal of 77157304 is 40375177.

It is a self number, because there is not a number n which added to its sum of digits gives 77157304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77157307) 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 in 15 ways as a sum of consecutive naturals, for example, 563124 + ... + 563260.

It is an arithmetic number, because the mean of its divisors is an integer number (2654775).

Almost surely, 2^77157304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77157304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84952800).

77157304 is an abundant number, since it is smaller than the sum of its proper divisors (92748296).

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

77157304 is a wasteful number, since it uses less digits than its factorization.

77157304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 77157304 is about 8783.9230415572. The cubic root of 77157304 is about 425.7215958129.

The spelling of 77157304 in words is "seventy-seven million, one hundred fifty-seven thousand, three hundred four".