77078341 has 4 divisors (see below), whose sum is σ = 78228832. Its totient is φ = 75927852.

The previous prime is 77078329. The next prime is 77078371. The reversal of 77078341 is 14387077.

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 77078341 - 2⁷ = 77078213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77078341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77078311) 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, 575145 + ... + 575278.

It is an arithmetic number, because the mean of its divisors is an integer number (19557208).

Almost surely, 2^77078341 is an apocalyptic number.

It is an amenable number.

77078341 is a deficient number, since it is larger than the sum of its proper divisors (1150491).

77078341 is a wasteful number, since it uses less digits than its factorization.

77078341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150490.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 77078341 is about 8779.4271453210. The cubic root of 77078341 is about 425.5763180197.

The spelling of 77078341 in words is "seventy-seven million, seventy-eight thousand, three hundred forty-one".