77023045 has 16 divisors (see below), whose sum is σ = 102736512. Its totient is φ = 54957760.

The previous prime is 77023027. The next prime is 77023057. The reversal of 77023045 is 54032077.

It is not a de Polignac number, because 77023045 - 2¹³ = 77014853 is a prime.

It is a super-2 number, since 2×77023045² = 11865098922144050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10297 + ... + 16126.

It is an arithmetic number, because the mean of its divisors is an integer number (6421032).

Almost surely, 2^77023045 is an apocalyptic number.

It is an amenable number.

77023045 is a deficient number, since it is larger than the sum of its proper divisors (25713467).

77023045 is a wasteful number, since it uses less digits than its factorization.

77023045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26492.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 77023045 is about 8776.2773999003. The cubic root of 77023045 is about 425.4745241934.

The spelling of 77023045 in words is "seventy-seven million, twenty-three thousand, forty-five".