7077638723 has 4 divisors (see below), whose sum is σ = 7140272808. Its totient is φ = 7015004640.

The previous prime is 7077638669. The next prime is 7077638779. The reversal of 7077638723 is 3278367707.

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 7077638723 - 2¹⁴ = 7077622339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7077638783) 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, 31316873 + ... + 31317098.

It is an arithmetic number, because the mean of its divisors is an integer number (1785068202).

Almost surely, 2^7077638723 is an apocalyptic number.

7077638723 is a deficient number, since it is larger than the sum of its proper divisors (62634085).

7077638723 is a wasteful number, since it uses less digits than its factorization.

7077638723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62634084.

The product of its (nonzero) digits is 2074464, while the sum is 50.

The square root of 7077638723 is about 84128.7033241331. The cubic root of 7077638723 is about 1919.9774594974.

The spelling of 7077638723 in words is "seven billion, seventy-seven million, six hundred thirty-eight thousand, seven hundred twenty-three".