77023077 has 8 divisors (see below), whose sum is σ = 102896640. Its totient is φ = 51249120.

The previous prime is 77023069. The next prime is 77023109. The reversal of 77023077 is 77032077.

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

It is not a de Polignac number, because 77023077 - 2³ = 77023069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77023007) 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, 23077 + ... + 26202.

It is an arithmetic number, because the mean of its divisors is an integer number (12862080).

Almost surely, 2^77023077 is an apocalyptic number.

It is an amenable number.

77023077 is a deficient number, since it is larger than the sum of its proper divisors (25873563).

77023077 is a wasteful number, since it uses less digits than its factorization.

77023077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49803.

The product of its (nonzero) digits is 14406, while the sum is 33.

The square root of 77023077 is about 8776.2792229965. The cubic root of 77023077 is about 425.4745831160.

The spelling of 77023077 in words is "seventy-seven million, twenty-three thousand, seventy-seven".