10077128021 has 8 divisors (see below), whose sum is σ = 10608580320. Its totient is φ = 9545783472.

The previous prime is 10077128011. The next prime is 10077128027. The reversal of 10077128021 is 12082177001.

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 10077128021 - 2¹⁴ = 10077111637 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 (10077128027) 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, 226046 + ... + 266928.

It is an arithmetic number, because the mean of its divisors is an integer number (1326072540).

Almost surely, 2^10077128021 is an apocalyptic number.

It is an amenable number.

10077128021 is a deficient number, since it is larger than the sum of its proper divisors (531452299).

10077128021 is a wasteful number, since it uses less digits than its factorization.

10077128021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53875.

The product of its (nonzero) digits is 1568, while the sum is 29.

The spelling of 10077128021 in words is "ten billion, seventy-seven million, one hundred twenty-eight thousand, twenty-one".