77862045 has 16 divisors (see below), whose sum is σ = 124706880. Its totient is φ = 41483904.

The previous prime is 77862017. The next prime is 77862053. The reversal of 77862045 is 54026877.

It is not a de Polignac number, because 77862045 - 2¹⁴ = 77845661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77861994 and 77862012.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 17322 + ... + 21348.

It is an arithmetic number, because the mean of its divisors is an integer number (7794180).

Almost surely, 2^77862045 is an apocalyptic number.

It is an amenable number.

77862045 is a deficient number, since it is larger than the sum of its proper divisors (46844835).

77862045 is a wasteful number, since it uses less digits than its factorization.

77862045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5324.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 77862045 is about 8823.9472459892. The cubic root of 77862045 is about 427.0138243782.

The spelling of 77862045 in words is "seventy-seven million, eight hundred sixty-two thousand, forty-five".