77000135 has 8 divisors (see below), whose sum is σ = 92635296. Its totient is φ = 61443360.

The previous prime is 77000101. The next prime is 77000137. The reversal of 77000135 is 53100077.

It is a happy number.

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

It is not a de Polignac number, because 77000135 - 2¹² = 76996039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77000135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77000137) 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, 17411 + ... + 21380.

It is an arithmetic number, because the mean of its divisors is an integer number (11579412).

Almost surely, 2^77000135 is an apocalyptic number.

77000135 is a deficient number, since it is larger than the sum of its proper divisors (15635161).

77000135 is a wasteful number, since it uses less digits than its factorization.

77000135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39193.

The product of its (nonzero) digits is 735, while the sum is 23.

The square root of 77000135 is about 8774.9720797277. The cubic root of 77000135 is about 425.4323351405.

The spelling of 77000135 in words is "seventy-seven million, one hundred thirty-five", and thus it is an aban number.