1004020077 has 8 divisors (see below), whose sum is σ = 1339192800. Its totient is φ = 669097040.

The previous prime is 1004020007. The next prime is 1004020091. The reversal of 1004020077 is 7700204001.

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 1004020077 - 2¹⁸ = 1003757933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004020007) 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, 52827 + ... + 69272.

It is an arithmetic number, because the mean of its divisors is an integer number (167399100).

Almost surely, 2^1004020077 is an apocalyptic number.

It is an amenable number.

1004020077 is a deficient number, since it is larger than the sum of its proper divisors (335172723).

1004020077 is a wasteful number, since it uses less digits than its factorization.

1004020077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124843.

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 1004020077 is about 31686.2758461767. The cubic root of 1004020077 is about 1001.3382339976.

Adding to 1004020077 its reverse (7700204001), we get a palindrome (8704224078).

The spelling of 1004020077 in words is "one billion, four million, twenty thousand, seventy-seven".