77270463 has 8 divisors (see below), whose sum is σ = 114474800. Its totient is φ = 51513624.

The previous prime is 77270461. The next prime is 77270477. The reversal of 77270463 is 36407277.

It is not a de Polignac number, because 77270463 - 2¹ = 77270461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77270461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1430908 + ... + 1430961.

It is an arithmetic number, because the mean of its divisors is an integer number (14309350).

Almost surely, 2^77270463 is an apocalyptic number.

77270463 is a deficient number, since it is larger than the sum of its proper divisors (37204337).

77270463 is a wasteful number, since it uses less digits than its factorization.

77270463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861878 (or 2861872 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 77270463 is about 8790.3619379409. The cubic root of 77270463 is about 425.9296154297.

The spelling of 77270463 in words is "seventy-seven million, two hundred seventy thousand, four hundred sixty-three".