10078641077 has 4 divisors (see below), whose sum is σ = 10083031116. Its totient is φ = 10074251040.

The previous prime is 10078641071. The next prime is 10078641091. The reversal of 10078641077 is 77014687001.

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 2029142116 + 8049498961 = 45046^2 + 89719^2 .

It is a cyclic number.

It is not a de Polignac number, because 10078641077 - 2¹⁶ = 10078575541 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 (10078641071) 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, 2191574 + ... + 2196167.

It is an arithmetic number, because the mean of its divisors is an integer number (2520757779).

Almost surely, 2^10078641077 is an apocalyptic number.

It is an amenable number.

10078641077 is a deficient number, since it is larger than the sum of its proper divisors (4390039).

10078641077 is an equidigital number, since it uses as much as digits as its factorization.

10078641077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4390038.

The product of its (nonzero) digits is 65856, while the sum is 41.

The spelling of 10078641077 in words is "ten billion, seventy-eight million, six hundred forty-one thousand, seventy-seven".