7100040077 has 4 divisors (see below), whose sum is σ = 7646197020. Its totient is φ = 6553883136.

The previous prime is 7100040071. The next prime is 7100040097. The reversal of 7100040077 is 7700400017.

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

It can be written as a sum of positive squares in 2 ways, for example, as 355360201 + 6744679876 = 18851^2 + 82126^2 .

It is a cyclic number.

It is not a de Polignac number, because 7100040077 - 2¹⁸ = 7099777933 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 (7100040071) 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, 273078452 + ... + 273078477.

It is an arithmetic number, because the mean of its divisors is an integer number (1911549255).

Almost surely, 2^7100040077 is an apocalyptic number.

It is an amenable number.

7100040077 is a deficient number, since it is larger than the sum of its proper divisors (546156943).

7100040077 is a wasteful number, since it uses less digits than its factorization.

7100040077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546156942.

The product of its (nonzero) digits is 1372, while the sum is 26.

The square root of 7100040077 is about 84261.7355446706. The cubic root of 7100040077 is about 1922.0009591006. Note that the first 3 decimals are identical.

The spelling of 7100040077 in words is "seven billion, one hundred million, forty thousand, seventy-seven".