77107023 has 12 divisors (see below), whose sum is σ = 127287888. Its totient is φ = 44061120.

The previous prime is 77107021. The next prime is 77107031. The reversal of 77107023 is 32070177.

It is not a de Polignac number, because 77107023 - 2¹ = 77107021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77107021) 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, 611898 + ... + 612023.

It is an arithmetic number, because the mean of its divisors is an integer number (10607324).

Almost surely, 2^77107023 is an apocalyptic number.

77107023 is a deficient number, since it is larger than the sum of its proper divisors (50180865).

77107023 is a wasteful number, since it uses less digits than its factorization.

77107023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223934 (or 1223931 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 27.

The square root of 77107023 is about 8781.0604712643. The cubic root of 77107023 is about 425.6290992379.

The spelling of 77107023 in words is "seventy-seven million, one hundred seven thousand, twenty-three".