76903811 has 4 divisors (see below), whose sum is σ = 80951400. Its totient is φ = 72856224.

The previous prime is 76903793. The next prime is 76903819. The reversal of 76903811 is 11830967.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 76903811 - 2¹⁸ = 76641667 is a prime.

It is a super-2 number, since 2×76903811² = 11828392292647442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76903819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2023766 + ... + 2023803.

It is an arithmetic number, because the mean of its divisors is an integer number (20237850).

Almost surely, 2^76903811 is an apocalyptic number.

76903811 is a deficient number, since it is larger than the sum of its proper divisors (4047589).

76903811 is a wasteful number, since it uses less digits than its factorization.

76903811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047588.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 76903811 is about 8769.4817976891. The cubic root of 76903811 is about 425.2548616683.

The spelling of 76903811 in words is "seventy-six million, nine hundred three thousand, eight hundred eleven".