77000023 has 8 divisors (see below), whose sum is σ = 77898240. Its totient is φ = 76107000.

The previous prime is 77000003. The next prime is 77000029. The reversal of 77000023 is 32000077.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77000023 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 (77000029) 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, 33786 + ... + 35992.

It is an arithmetic number, because the mean of its divisors is an integer number (9737280).

Almost surely, 2^77000023 is an apocalyptic number.

77000023 is a deficient number, since it is larger than the sum of its proper divisors (898217).

77000023 is a wasteful number, since it uses less digits than its factorization.

77000023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597.

The product of its (nonzero) digits is 294, while the sum is 19.

The square root of 77000023 is about 8774.9656979387. The cubic root of 77000023 is about 425.4321288705.

The spelling of 77000023 in words is "seventy-seven million, twenty-three", and thus it is an aban number and an uban number.