1077770421 has 64 divisors (see below), whose sum is σ = 2068684800. Its totient is φ = 538550208.

The previous prime is 1077770417. The next prime is 1077770429. The reversal of 1077770421 is 1240777701.

It is not a de Polignac number, because 1077770421 - 2² = 1077770417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1077770429) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35140 + ... + 58226.

It is an arithmetic number, because the mean of its divisors is an integer number (32323200).

Almost surely, 2^1077770421 is an apocalyptic number.

It is an amenable number.

1077770421 is a deficient number, since it is larger than the sum of its proper divisors (990914379).

1077770421 is a wasteful number, since it uses less digits than its factorization.

1077770421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23135 (or 23129 counting only the distinct ones).

The product of its (nonzero) digits is 19208, while the sum is 36.

The square root of 1077770421 is about 32829.4139606542. The cubic root of 1077770421 is about 1025.2790581852.

The spelling of 1077770421 in words is "one billion, seventy-seven million, seven hundred seventy thousand, four hundred twenty-one".