78576963 has 8 divisors (see below), whose sum is σ = 104986368. Its totient is φ = 52276104.

The previous prime is 78576961. The next prime is 78576973. The reversal of 78576963 is 36967587.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78576963 - 2¹ = 78576961 is a prime.

It is a super-2 number, since 2×78576963² = 12348678228606738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78576961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25431 + ... + 28352.

It is an arithmetic number, because the mean of its divisors is an integer number (13123296).

Almost surely, 2^78576963 is an apocalyptic number.

78576963 is a deficient number, since it is larger than the sum of its proper divisors (26409405).

78576963 is a wasteful number, since it uses less digits than its factorization.

78576963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54273.

The product of its digits is 1905120, while the sum is 51.

The square root of 78576963 is about 8864.3647826565. The cubic root of 78576963 is about 428.3167709820.

The spelling of 78576963 in words is "seventy-eight million, five hundred seventy-six thousand, nine hundred sixty-three".