7770016999 has 4 divisors (see below), whose sum is σ = 7772183136. Its totient is φ = 7767850864.

The previous prime is 7770016927. The next prime is 7770017023. The reversal of 7770016999 is 9996100777.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9996100777 = 13 ⋅768930829.

It is a cyclic number.

It is not a de Polignac number, because 7770016999 - 2²¹ = 7767919847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7770016799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1077679 + ... + 1084864.

It is an arithmetic number, because the mean of its divisors is an integer number (1943045784).

Almost surely, 2^7770016999 is an apocalyptic number.

7770016999 is a deficient number, since it is larger than the sum of its proper divisors (2166137).

7770016999 is a wasteful number, since it uses less digits than its factorization.

7770016999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166136.

The product of its (nonzero) digits is 1500282, while the sum is 55.

The square root of 7770016999 is about 88147.6999075983. The cubic root of 7770016999 is about 1980.6481059486.

The spelling of 7770016999 in words is "seven billion, seven hundred seventy million, sixteen thousand, nine hundred ninety-nine".