78952563 has 30 divisors (see below), whose sum is σ = 120555204. Its totient is φ = 51493104.

The previous prime is 78952541. The next prime is 78952579. The reversal of 78952563 is 36525987.

It is a happy number.

78952563 is a `hidden beast` number, since 7 + 89 + 5 + 2 + 563 = 666.

It is not a de Polignac number, because 78952563 - 2⁶ = 78952499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78952513) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 227356 + ... + 227702.

Almost surely, 2^78952563 is an apocalyptic number.

78952563 is a deficient number, since it is larger than the sum of its proper divisors (41602641).

78952563 is an equidigital number, since it uses as much as digits as its factorization.

78952563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465 (or 403 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 78952563 is about 8885.5254768640. The cubic root of 78952563 is about 428.9981417104.

The spelling of 78952563 in words is "seventy-eight million, nine hundred fifty-two thousand, five hundred sixty-three".