1035478778 has 16 divisors (see below), whose sum is σ = 1568160000. Its totient is φ = 512779152.

The previous prime is 1035478753. The next prime is 1035478799. The reversal of 1035478778 is 8778745301.

It is a happy number.

It is a super-3 number, since 3×1035478778³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102143 + ... + 111821.

It is an arithmetic number, because the mean of its divisors is an integer number (98010000).

Almost surely, 2^1035478778 is an apocalyptic number.

1035478778 is a deficient number, since it is larger than the sum of its proper divisors (532681222).

1035478778 is a wasteful number, since it uses less digits than its factorization.

1035478778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10189.

The product of its (nonzero) digits is 1317120, while the sum is 50.

The square root of 1035478778 is about 32178.8560704075. The cubic root of 1035478778 is about 1011.6890920805.

It can be divided in two parts, 103547 and 8778, that multiplied together give a triangular number (908935566 = T₄₂₆₃₆).

The spelling of 1035478778 in words is "one billion, thirty-five million, four hundred seventy-eight thousand, seven hundred seventy-eight".