78935761401 has 8 divisors (see below), whose sum is σ = 120283065024. Its totient is φ = 45106149360.

The previous prime is 78935761381. The next prime is 78935761427. The reversal of 78935761401 is 10416753987.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78935761401 - 2²⁶ = 78868652537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78935761481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1879422870 + ... + 1879422911.

It is an arithmetic number, because the mean of its divisors is an integer number (15035383128).

Almost surely, 2^78935761401 is an apocalyptic number.

It is an amenable number.

78935761401 is a deficient number, since it is larger than the sum of its proper divisors (41347303623).

78935761401 is a wasteful number, since it uses less digits than its factorization.

78935761401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3758845791.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The spelling of 78935761401 in words is "seventy-eight billion, nine hundred thirty-five million, seven hundred sixty-one thousand, four hundred one".