420862077 has 12 divisors (see below), whose sum is σ = 610795744. Its totient is φ = 279243720.

The previous prime is 420862063. The next prime is 420862121. The reversal of 420862077 is 770268024.

420862077 is a `hidden beast` number, since 4 + 20 + 8 + 620 + 7 + 7 = 666.

It is not a de Polignac number, because 420862077 - 2⁴ = 420862061 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 (420862037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108913 + ... + 112710.

Almost surely, 2^420862077 is an apocalyptic number.

It is an amenable number.

420862077 is a deficient number, since it is larger than the sum of its proper divisors (189933667).

420862077 is a wasteful number, since it uses less digits than its factorization.

420862077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221840 (or 221837 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 420862077 is about 20514.9232755085. The cubic root of 420862077 is about 749.3992682904.

The spelling of 420862077 in words is "four hundred twenty million, eight hundred sixty-two thousand, seventy-seven".