906621656077 has 8 divisors (see below), whose sum is σ = 911539452096. Its totient is φ = 901712635872.

The previous prime is 906621656053. The next prime is 906621656107. The reversal of 906621656077 is 770656126609.

906621656077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 906621656077 - 2¹⁹ = 906621131789 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 (906621656177) 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, 1986723 + ... + 2400064.

It is an arithmetic number, because the mean of its divisors is an integer number (113942431512).

Almost surely, 2^906621656077 is an apocalyptic number.

It is an amenable number.

906621656077 is a deficient number, since it is larger than the sum of its proper divisors (4917796019).

906621656077 is a wasteful number, since it uses less digits than its factorization.

906621656077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4387907.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 906621656077 in words is "nine hundred six billion, six hundred twenty-one million, six hundred fifty-six thousand, seventy-seven".