77601243 has 8 divisors (see below), whose sum is σ = 109554768. Its totient is φ = 48690944.

The previous prime is 77601217. The next prime is 77601253. The reversal of 77601243 is 34210677.

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

It is a cyclic number.

It is not a de Polignac number, because 77601243 - 2⁶ = 77601179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77601243.

It is not an unprimeable number, because it can be changed into a prime (77601253) 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, 760746 + ... + 760847.

It is an arithmetic number, because the mean of its divisors is an integer number (13694346).

Almost surely, 2^77601243 is an apocalyptic number.

77601243 is a deficient number, since it is larger than the sum of its proper divisors (31953525).

77601243 is a wasteful number, since it uses less digits than its factorization.

77601243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521613.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 77601243 is about 8809.1567700887. The cubic root of 77601243 is about 426.5365245034.

The spelling of 77601243 in words is "seventy-seven million, six hundred one thousand, two hundred forty-three".