77531083 has 6 divisors (see below), whose sum is σ = 90189276. Its totient is φ = 66455172.

The previous prime is 77531081. The next prime is 77531099. The reversal of 77531083 is 38013577.

It is not a de Polignac number, because 77531083 - 2¹ = 77531081 is a prime.

It is a super-2 number, since 2×77531083² = 12022137662305778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77531081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 791085 + ... + 791182.

It is an arithmetic number, because the mean of its divisors is an integer number (15031546).

Almost surely, 2^77531083 is an apocalyptic number.

77531083 is a deficient number, since it is larger than the sum of its proper divisors (12658193).

77531083 is a wasteful number, since it uses less digits than its factorization.

77531083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582281 (or 1582274 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 77531083 is about 8805.1736496221. The cubic root of 77531083 is about 426.4079405415.

It can be divided in two parts, 7753 and 1083, that added together give a square (8836 = 94²).

The spelling of 77531083 in words is "seventy-seven million, five hundred thirty-one thousand, eighty-three".