69770077 has 8 divisors (see below), whose sum is σ = 75679520. Its totient is φ = 63938160.

The previous prime is 69770053. The next prime is 69770087. The reversal of 69770077 is 77007796.

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 69770077 - 2¹¹ = 69768029 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 (69770087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17499 + ... + 21112.

It is an arithmetic number, because the mean of its divisors is an integer number (9459940).

Almost surely, 2^69770077 is an apocalyptic number.

It is an amenable number.

69770077 is a deficient number, since it is larger than the sum of its proper divisors (5909443).

69770077 is a wasteful number, since it uses less digits than its factorization.

69770077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38763.

The product of its (nonzero) digits is 129654, while the sum is 43.

The square root of 69770077 is about 8352.8484363120. The cubic root of 69770077 is about 411.6768072886.

The spelling of 69770077 in words is "sixty-nine million, seven hundred seventy thousand, seventy-seven".