77481351 has 12 divisors (see below), whose sum is σ = 111998328. Its totient is φ = 51616944.

The previous prime is 77481343. The next prime is 77481379. The reversal of 77481351 is 15318477.

It is not a de Polignac number, because 77481351 - 2³ = 77481343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77481311) 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, 16681 + ... + 20813.

It is an arithmetic number, because the mean of its divisors is an integer number (9333194).

Almost surely, 2^77481351 is an apocalyptic number.

77481351 is a deficient number, since it is larger than the sum of its proper divisors (34516977).

77481351 is a wasteful number, since it uses less digits than its factorization.

77481351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6222 (or 6219 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 77481351 is about 8802.3491750782. The cubic root of 77481351 is about 426.3167484901.

The spelling of 77481351 in words is "seventy-seven million, four hundred eighty-one thousand, three hundred fifty-one".