82772901 has 8 divisors (see below), whose sum is σ = 122626560. Its totient is φ = 55181916.

The previous prime is 82772897. The next prime is 82772923. The reversal of 82772901 is 10927728.

It is not a de Polignac number, because 82772901 - 2² = 82772897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82772941) 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, 1532805 + ... + 1532858.

It is an arithmetic number, because the mean of its divisors is an integer number (15328320).

Almost surely, 2^82772901 is an apocalyptic number.

It is an amenable number.

82772901 is a deficient number, since it is larger than the sum of its proper divisors (39853659).

82772901 is a wasteful number, since it uses less digits than its factorization.

82772901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065672 (or 3065666 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 82772901 is about 9097.9613650532. The cubic root of 82772901 is about 435.8088636297.

The spelling of 82772901 in words is "eighty-two million, seven hundred seventy-two thousand, nine hundred one".