7601438655 has 16 divisors (see below), whose sum is σ = 13513668960. Its totient is φ = 4054100544.

The previous prime is 7601438653. The next prime is 7601438711. The reversal of 7601438655 is 5568341067.

7601438655 is a `hidden beast` number, since 7 + 601 + 4 + 38 + 6 + 5 + 5 = 666.

It is not a de Polignac number, because 7601438655 - 2¹ = 7601438653 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 7601438655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7601438653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28153342 + ... + 28153611.

It is an arithmetic number, because the mean of its divisors is an integer number (844604310).

Almost surely, 2^7601438655 is an apocalyptic number.

7601438655 is a deficient number, since it is larger than the sum of its proper divisors (5912230305).

7601438655 is a wasteful number, since it uses less digits than its factorization.

7601438655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56306967 (or 56306961 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 7601438655 is about 87186.2297326820. The cubic root of 7601438655 is about 1966.2191956038.

The spelling of 7601438655 in words is "seven billion, six hundred one million, four hundred thirty-eight thousand, six hundred fifty-five".