77229082 has 16 divisors (see below), whose sum is σ = 132717312. Its totient is φ = 33017040.

The previous prime is 77229077. The next prime is 77229083. The reversal of 77229082 is 28092277.

It is a super-2 number, since 2×77229082² = 11928662213125448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77229083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 658 + ... + 12445.

It is an arithmetic number, because the mean of its divisors is an integer number (8294832).

Almost surely, 2^77229082 is an apocalyptic number.

77229082 is a deficient number, since it is larger than the sum of its proper divisors (55488230).

77229082 is a wasteful number, since it uses less digits than its factorization.

77229082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13533.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 77229082 is about 8788.0078516123. The cubic root of 77229082 is about 425.8535685160.

The spelling of 77229082 in words is "seventy-seven million, two hundred twenty-nine thousand, eighty-two".