7664252655 has 16 divisors (see below), whose sum is σ = 12264365664. Its totient is φ = 4087080960.

The previous prime is 7664252653. The next prime is 7664252689. The reversal of 7664252655 is 5562524667.

It is not a de Polignac number, because 7664252655 - 2¹ = 7664252653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7664252653) 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, 109095 + ... + 165015.

It is an arithmetic number, because the mean of its divisors is an integer number (766522854).

Almost surely, 2^7664252655 is an apocalyptic number.

7664252655 is a deficient number, since it is larger than the sum of its proper divisors (4600113009).

7664252655 is a wasteful number, since it uses less digits than its factorization.

7664252655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65066.

The product of its digits is 3024000, while the sum is 48.

The square root of 7664252655 is about 87545.7175137653. The cubic root of 7664252655 is about 1971.6202543801.

The spelling of 7664252655 in words is "seven billion, six hundred sixty-four million, two hundred fifty-two thousand, six hundred fifty-five".