80238877 has 2 divisors, whose sum is σ = 80238878. Its totient is φ = 80238876.

The previous prime is 80238863. The next prime is 80238901. The reversal of 80238877 is 77883208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76282756 + 3956121 = 8734^2 + 1989^2 .

It is a cyclic number.

It is not a de Polignac number, because 80238877 - 2⁷ = 80238749 is a prime.

It is a super-2 number, since 2×80238877² = 12876554764442258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80238077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40119438 + 40119439.

It is an arithmetic number, because the mean of its divisors is an integer number (40119439).

Almost surely, 2^80238877 is an apocalyptic number.

It is an amenable number.

80238877 is a deficient number, since it is larger than the sum of its proper divisors (1).

80238877 is an equidigital number, since it uses as much as digits as its factorization.

80238877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 80238877 is about 8957.6155867508. The cubic root of 80238877 is about 431.3153825953.

It can be divided in two parts, 8023 and 8877, that added together give a square (16900 = 130²).

The spelling of 80238877 in words is "eighty million, two hundred thirty-eight thousand, eight hundred seventy-seven".