77714481 has 20 divisors (see below), whose sum is σ = 112377712. Its totient is φ = 47771568.

The previous prime is 77714479. The next prime is 77714491. The reversal of 77714481 is 18441777.

It is not a de Polignac number, because 77714481 - 2¹ = 77714479 is a prime.

It is a super-2 number, since 2×77714481² = 12079081114198722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77714411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 85230 + ... + 86136.

Almost surely, 2^77714481 is an apocalyptic number.

It is an amenable number.

77714481 is a deficient number, since it is larger than the sum of its proper divisors (34663231).

77714481 is an frugal number, since it uses more digits than its factorization.

77714481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962 (or 923 counting only the distinct ones).

The product of its digits is 43904, while the sum is 39.

The square root of 77714481 is about 8815.5817164836. The cubic root of 77714481 is about 426.7438951866.

The spelling of 77714481 in words is "seventy-seven million, seven hundred fourteen thousand, four hundred eighty-one".