77495425 has 12 divisors (see below), whose sum is σ = 109822336. Its totient is φ = 53139600.

The previous prime is 77495423. The next prime is 77495461. The reversal of 77495425 is 52459477.

It is not a de Polignac number, because 77495425 - 2¹ = 77495423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77495423) 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, 221241 + ... + 221590.

Almost surely, 2^77495425 is an apocalyptic number.

It is an amenable number.

77495425 is a deficient number, since it is larger than the sum of its proper divisors (32326911).

77495425 is a wasteful number, since it uses less digits than its factorization.

77495425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442848 (or 442843 counting only the distinct ones).

The product of its digits is 352800, while the sum is 43.

The square root of 77495425 is about 8803.1485844555. The cubic root of 77495425 is about 426.3425595126.

The spelling of 77495425 in words is "seventy-seven million, four hundred ninety-five thousand, four hundred twenty-five".