78701361 has 4 divisors (see below), whose sum is σ = 104935152. Its totient is φ = 52467572.

The previous prime is 78701317. The next prime is 78701369. The reversal of 78701361 is 16310787.

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 a cyclic number.

It is not a de Polignac number, because 78701361 - 2¹³ = 78693169 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (78701369) 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, 13116891 + ... + 13116896.

It is an arithmetic number, because the mean of its divisors is an integer number (26233788).

Almost surely, 2^78701361 is an apocalyptic number.

It is an amenable number.

78701361 is a deficient number, since it is larger than the sum of its proper divisors (26233791).

78701361 is a wasteful number, since it uses less digits than its factorization.

78701361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26233790.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 78701361 is about 8871.3787541734. The cubic root of 78701361 is about 428.5426796747.

The spelling of 78701361 in words is "seventy-eight million, seven hundred one thousand, three hundred sixty-one".