82726377 has 16 divisors (see below), whose sum is σ = 115551360. Its totient is φ = 52545152.

The previous prime is 82726297. The next prime is 82726381. The reversal of 82726377 is 77362728.

It is a cyclic number.

It is not a de Polignac number, because 82726377 - 2¹⁶ = 82660841 is a prime.

It is a super-2 number, since 2×82726377² = 13687306903092258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82726177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16333 + ... + 20789.

It is an arithmetic number, because the mean of its divisors is an integer number (7221960).

Almost surely, 2^82726377 is an apocalyptic number.

It is an amenable number.

82726377 is a deficient number, since it is larger than the sum of its proper divisors (32824983).

82726377 is a wasteful number, since it uses less digits than its factorization.

82726377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4752.

The product of its digits is 197568, while the sum is 42.

The square root of 82726377 is about 9095.4041691395. The cubic root of 82726377 is about 435.7271969197.

The spelling of 82726377 in words is "eighty-two million, seven hundred twenty-six thousand, three hundred seventy-seven".