961978462 has 4 divisors (see below), whose sum is σ = 1442967696. Its totient is φ = 480989230.

The previous prime is 961978447. The next prime is 961978489. The reversal of 961978462 is 264879169.

It is a happy number.

961978462 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 264879169 = 47 ⋅5635727.

It is a super-2 number, since 2×961978462² = 1850805122703770888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240494614 + ... + 240494617.

It is an arithmetic number, because the mean of its divisors is an integer number (360741924).

Almost surely, 2^961978462 is an apocalyptic number.

961978462 is a deficient number, since it is larger than the sum of its proper divisors (480989234).

961978462 is a wasteful number, since it uses less digits than its factorization.

961978462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480989233.

The product of its digits is 1306368, while the sum is 52.

The square root of 961978462 is about 31015.7776301030. Note that the first 3 decimals coincide. The cubic root of 961978462 is about 987.1620462305.

The spelling of 961978462 in words is "nine hundred sixty-one million, nine hundred seventy-eight thousand, four hundred sixty-two".