7947023077 has 4 divisors (see below), whose sum is σ = 9082312096. Its totient is φ = 6811734060.

The previous prime is 7947023047. The next prime is 7947023107. The reversal of 7947023077 is 7703207497.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (7947023047) and next prime (7947023107).

It is a cyclic number.

It is not a de Polignac number, because 7947023077 - 2¹⁹ = 7946498789 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 (7947023047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567644499 + ... + 567644512.

It is an arithmetic number, because the mean of its divisors is an integer number (2270578024).

Almost surely, 2^7947023077 is an apocalyptic number.

It is an amenable number.

7947023077 is a deficient number, since it is larger than the sum of its proper divisors (1135289019).

7947023077 is a wasteful number, since it uses less digits than its factorization.

7947023077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135289018.

The product of its (nonzero) digits is 518616, while the sum is 46.

The square root of 7947023077 is about 89146.0771823416. The cubic root of 7947023077 is about 1995.5754754258.

The spelling of 7947023077 in words is "seven billion, nine hundred forty-seven million, twenty-three thousand, seventy-seven".