77601941 has 8 divisors (see below), whose sum is σ = 80426520. Its totient is φ = 74787328.

The previous prime is 77601899. The next prime is 77601949. The reversal of 77601941 is 14910677.

It can be written as a sum of positive squares in 4 ways, for example, as 4431025 + 73170916 = 2105^2 + 8554^2 .

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 77601941 - 2⁶ = 77601877 is a prime.

It is a super-2 number, since 2×77601941² = 12044122493934962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77601949) 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, 15725 + ... + 20061.

It is an arithmetic number, because the mean of its divisors is an integer number (10053315).

Almost surely, 2^77601941 is an apocalyptic number.

It is an amenable number.

77601941 is a deficient number, since it is larger than the sum of its proper divisors (2824579).

77601941 is a wasteful number, since it uses less digits than its factorization.

77601941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4983.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 77601941 is about 8809.1963878665. The cubic root of 77601941 is about 426.5378033558.

The spelling of 77601941 in words is "seventy-seven million, six hundred one thousand, nine hundred forty-one".