77325377 has 4 divisors (see below), whose sum is σ = 79819776. Its totient is φ = 74830980.

The previous prime is 77325371. The next prime is 77325427. The reversal of 77325377 is 77352377.

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, and also an emirpimes, since its reverse is a distinct semiprime: 77352377 = 3181 ⋅24317.

It is a cyclic number.

It is not a de Polignac number, because 77325377 - 2⁴ = 77325361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77325371) 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, 1247153 + ... + 1247214.

It is an arithmetic number, because the mean of its divisors is an integer number (19954944).

Almost surely, 2^77325377 is an apocalyptic number.

It is an amenable number.

77325377 is a deficient number, since it is larger than the sum of its proper divisors (2494399).

77325377 is a wasteful number, since it uses less digits than its factorization.

77325377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494398.

The product of its digits is 216090, while the sum is 41.

The square root of 77325377 is about 8793.4849178241. The cubic root of 77325377 is about 426.0304903713.

Subtracting 77325377 from its reverse (77352377), we obtain a cube (27000 = 30³).

The spelling of 77325377 in words is "seventy-seven million, three hundred twenty-five thousand, three hundred seventy-seven".