78622682 has 4 divisors (see below), whose sum is σ = 117934026. Its totient is φ = 39311340.

The previous prime is 78622673. The next prime is 78622693. The reversal of 78622682 is 28622687.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 62710561 + 15912121 = 7919^2 + 3989^2 .

It is a super-2 number, since 2×78622682² = 12363052249746248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19655669 + ... + 19655672.

Almost surely, 2^78622682 is an apocalyptic number.

78622682 is a deficient number, since it is larger than the sum of its proper divisors (39311344).

78622682 is a wasteful number, since it uses less digits than its factorization.

78622682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39311343.

The product of its digits is 129024, while the sum is 41.

The square root of 78622682 is about 8866.9432162386. The cubic root of 78622682 is about 428.3998250861.

The spelling of 78622682 in words is "seventy-eight million, six hundred twenty-two thousand, six hundred eighty-two".