77468157 has 48 divisors (see below), whose sum is σ = 126584640. Its totient is φ = 47060352.

The previous prime is 77468129. The next prime is 77468179. The reversal of 77468157 is 75186477.

It is not a de Polignac number, because 77468157 - 2¹⁹ = 76943869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77468197) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 432694 + ... + 432872.

It is an arithmetic number, because the mean of its divisors is an integer number (2637180).

Almost surely, 2^77468157 is an apocalyptic number.

It is an amenable number.

77468157 is a deficient number, since it is larger than the sum of its proper divisors (49116483).

77468157 is a wasteful number, since it uses less digits than its factorization.

77468157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 332 counting only the distinct ones).

The product of its digits is 329280, while the sum is 45.

The square root of 77468157 is about 8801.5996841483. The cubic root of 77468157 is about 426.2925485056.

The spelling of 77468157 in words is "seventy-seven million, four hundred sixty-eight thousand, one hundred fifty-seven".