77349051 has 12 divisors (see below), whose sum is σ = 120320928. Its totient is φ = 47599344.

The previous prime is 77349049. The next prime is 77349053. The reversal of 77349051 is 15094377.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (77349049) and next prime (77349053).

It is not a de Polignac number, because 77349051 - 2¹ = 77349049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77348997 and 77349015.

It is not an unprimeable number, because it can be changed into a prime (77349053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 330435 + ... + 330668.

It is an arithmetic number, because the mean of its divisors is an integer number (10026744).

Almost surely, 2^77349051 is an apocalyptic number.

77349051 is a deficient number, since it is larger than the sum of its proper divisors (42971877).

77349051 is a wasteful number, since it uses less digits than its factorization.

77349051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661122 (or 661119 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 77349051 is about 8794.8309250377. The cubic root of 77349051 is about 426.0739638815.

The spelling of 77349051 in words is "seventy-seven million, three hundred forty-nine thousand, fifty-one".