613077764 has 24 divisors (see below), whose sum is σ = 1156093848. Its totient is φ = 282792960.

The previous prime is 613077763. The next prime is 613077799. The reversal of 613077764 is 467770316.

It can be written as a sum of positive squares in 4 ways, for example, as 88209664 + 524868100 = 9392^2 + 22910^2 .

It is a super-2 number, since 2×613077764² = 751728689422479392, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (613077761) 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, 156194 + ... + 160070.

It is an arithmetic number, because the mean of its divisors is an integer number (48170577).

Almost surely, 2^613077764 is an apocalyptic number.

It is an amenable number.

613077764 is a deficient number, since it is larger than the sum of its proper divisors (543016084).

613077764 is a wasteful number, since it uses less digits than its factorization.

613077764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6935 (or 6933 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 613077764 is about 24760.4071856664. The cubic root of 613077764 is about 849.5165712431.

The spelling of 613077764 in words is "six hundred thirteen million, seventy-seven thousand, seven hundred sixty-four".