69000077 has 16 divisors (see below), whose sum is σ = 75969600. Its totient is φ = 62415360.

The previous prime is 69000067. The next prime is 69000091. The reversal of 69000077 is 77000096.

It is a cyclic number.

It is not a de Polignac number, because 69000077 - 2²⁰ = 67951501 is a prime.

It is a super-2 number, since 2×69000077² = 9522021252011858, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

69000077 is a modest number, since divided by 77 gives 69 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69000047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52802 + ... + 54092.

It is an arithmetic number, because the mean of its divisors is an integer number (4748100).

Almost surely, 2^69000077 is an apocalyptic number.

It is an amenable number.

69000077 is a deficient number, since it is larger than the sum of its proper divisors (6969523).

69000077 is a wasteful number, since it uses less digits than its factorization.

69000077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 69000077 is about 8306.6284977721. The cubic root of 69000077 is about 410.1567455405.

The spelling of 69000077 in words is "sixty-nine million, seventy-seven", and thus it is an aban number and an uban number.