7645777364 has 12 divisors (see below), whose sum is σ = 13402452000. Its totient is φ = 3816505368.

The previous prime is 7645777361. The next prime is 7645777367. The reversal of 7645777364 is 4637775467.

It is an interprime number because it is at equal distance from previous prime (7645777361) and next prime (7645777367).

It is a super-2 number, since 2×7645777364² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7645777361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1593134 + ... + 1597925.

It is an arithmetic number, because the mean of its divisors is an integer number (1116871000).

Almost surely, 2^7645777364 is an apocalyptic number.

It is an amenable number.

7645777364 is a deficient number, since it is larger than the sum of its proper divisors (5756674636).

7645777364 is a wasteful number, since it uses less digits than its factorization.

7645777364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191662 (or 3191660 counting only the distinct ones).

The product of its digits is 20744640, while the sum is 56.

The square root of 7645777364 is about 87440.1358873601. The cubic root of 7645777364 is about 1970.0347305068.

The spelling of 7645777364 in words is "seven billion, six hundred forty-five million, seven hundred seventy-seven thousand, three hundred sixty-four".