82896780 has 24 divisors (see below), whose sum is σ = 232111152. Its totient is φ = 22105792.

The previous prime is 82896773. The next prime is 82896787. The reversal of 82896780 is 8769828.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (82896773) and next prime (82896787).

It is a super-2 number, since 2×82896780² = 13743752268736800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82896787) 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, 690747 + ... + 690866.

It is an arithmetic number, because the mean of its divisors is an integer number (9671298).

Almost surely, 2^82896780 is an apocalyptic number.

It is an amenable number.

82896780 is an abundant number, since it is smaller than the sum of its proper divisors (149214372).

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

82896780 is a wasteful number, since it uses less digits than its factorization.

82896780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381625 (or 1381623 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 82896780 is about 9104.7668833419. The cubic root of 82896780 is about 436.0261676632.

The spelling of 82896780 in words is "eighty-two million, eight hundred ninety-six thousand, seven hundred eighty".