977009069 has 8 divisors (see below), whose sum is σ = 998524800. Its totient is φ = 955523776.

The previous prime is 977009053. The next prime is 977009071. The reversal of 977009069 is 960900779.

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 977009069 - 2⁴ = 977009053 is a prime.

It is a super-2 number, since 2×977009069² = 1909093441816493522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977009009) 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, 64757 + ... + 78405.

It is an arithmetic number, because the mean of its divisors is an integer number (124815600).

Almost surely, 2^977009069 is an apocalyptic number.

It is an amenable number.

977009069 is a deficient number, since it is larger than the sum of its proper divisors (21515731).

977009069 is a wasteful number, since it uses less digits than its factorization.

977009069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15219.

The product of its (nonzero) digits is 214326, while the sum is 47.

The square root of 977009069 is about 31257.1442873465. The cubic root of 977009069 is about 992.2768630425.

The spelling of 977009069 in words is "nine hundred seventy-seven million, nine thousand, sixty-nine".