82277070 has 64 divisors (see below), whose sum is σ = 202051584. Its totient is φ = 21438080.

The previous prime is 82277053. The next prime is 82277101. The reversal of 82277070 is 7077228.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 430675 + ... + 430865.

It is an arithmetic number, because the mean of its divisors is an integer number (3157056).

Almost surely, 2^82277070 is an apocalyptic number.

82277070 is an abundant number, since it is smaller than the sum of its proper divisors (119774514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82277070 is a wasteful number, since it uses less digits than its factorization.

82277070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457.

The product of its (nonzero) digits is 10976, while the sum is 33.

The square root of 82277070 is about 9070.6708682434. The cubic root of 82277070 is about 434.9369177913.

The spelling of 82277070 in words is "eighty-two million, two hundred seventy-seven thousand, seventy".