77425701 has 12 divisors (see below), whose sum is σ = 109665312. Its totient is φ = 48580288.

The previous prime is 77425697. The next prime is 77425717. The reversal of 77425701 is 10752477.

It is a happy number.

It is not a de Polignac number, because 77425701 - 2² = 77425697 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77425721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43785 + ... + 45518.

It is an arithmetic number, because the mean of its divisors is an integer number (9138776).

Almost surely, 2^77425701 is an apocalyptic number.

It is an amenable number.

77425701 is a deficient number, since it is larger than the sum of its proper divisors (32239611).

77425701 is a wasteful number, since it uses less digits than its factorization.

77425701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89340 (or 89323 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 77425701 is about 8799.1875193111. The cubic root of 77425701 is about 426.2146585078.

The spelling of 77425701 in words is "seventy-seven million, four hundred twenty-five thousand, seven hundred one".