77974023 has 8 divisors (see below), whose sum is σ = 104266368. Its totient is φ = 51832184.

The previous prime is 77973983. The next prime is 77974037. The reversal of 77974023 is 32047977.

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

It is a cyclic number.

It is not a de Polignac number, because 77974023 - 2⁸ = 77973767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77974073) 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, 36411 + ... + 38492.

It is an arithmetic number, because the mean of its divisors is an integer number (13033296).

Almost surely, 2^77974023 is an apocalyptic number.

77974023 is a deficient number, since it is larger than the sum of its proper divisors (26292345).

77974023 is a wasteful number, since it uses less digits than its factorization.

77974023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75253.

The product of its (nonzero) digits is 74088, while the sum is 39.

The square root of 77974023 is about 8830.2900858352. The cubic root of 77974023 is about 427.2184309141.

The spelling of 77974023 in words is "seventy-seven million, nine hundred seventy-four thousand, twenty-three".