7816963 has 16 divisors (see below), whose sum is σ = 9838080. Its totient is φ = 6083880.

The previous prime is 7816933. The next prime is 7816981. The reversal of 7816963 is 3696187.

It is not a de Polignac number, because 7816963 - 2⁵ = 7816931 is a prime.

It is a super-2 number, since 2×7816963² = 122209821086738, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (7816933) 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, 8898 + ... + 9736.

It is an arithmetic number, because the mean of its divisors is an integer number (614880).

Almost surely, 2^7816963 is an apocalyptic number.

7816963 is a deficient number, since it is larger than the sum of its proper divisors (2021117).

7816963 is an equidigital number, since it uses as much as digits as its factorization.

7816963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 857 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 7816963 is about 2795.8832235986. The cubic root of 7816963 is about 198.4629086815.

It can be divided in two parts, 781 and 6963, that added together give a square (7744 = 88²).

The spelling of 7816963 in words is "seven million, eight hundred sixteen thousand, nine hundred sixty-three".